Telescopes

One of the largest images from the James Webb Space Telescope so far reveals an intricate landscape of dwarf stars and spectacular clouds.

When we think of asteroids, we often think of the main asteroid belt between Mars and Jupiter that contains the majority of the known asteroids in our solar system. However, our solar system hosts several other populations of asteroids and icy rocks, including the Jupiter Trojan asteroids that orbit in Jupiter’s orbit, and the icy bodies and comets of the Kuiper Belt. But there’s one population of asteroids that often gets overlooked called Centaurs, primarily because their orbits are not in a fixed location and instead whose orbits cross the orbits of the outer planets.

NASA has announced that a new telescope concept called PRIMA is moving forward in consideration for a 2033 launch to look at the origins of planets and galaxies.

SKA-Low is a radio telescope under construction in Western Australia. It will operate across a wide frequency range, from 50 to 350 MHz, and will be the most sensitive telescope of its kind ever built. The completed instrument will link 512 stations spread across an area roughly 75 km (47 miles) wide. Each station's antennas work together like a single large dish, so their arrangement directly shapes what the telescope can detect.

The robotic spacecraft that failed to rescue an aging NASA telescope plunged back to Earth on Friday less than three months after launching on the bold mission.

When the universe was still in its infancy—only 500 million years after the Big Bang, or about 3% of its current age—some of the universe's earliest stars and galaxies had already formed. Astronomers have long predicted that much of the gas surrounding these young galaxies must have remained relatively pristine, composed mostly of hydrogen and helium, the primordial ingredients available in the newborn cosmos.

NASA's Hubble Space Telescope completed its 200,000th orbit around Earth on Sept. 19, marking another milestone for an observatory that continues to transform our understanding of the universe.

For more than a decade, PI (Physik Instrumente) has supplied precision motion and piezoelectric technologies for the development, alignment, testing, and flight hardware of NASA’s Nancy Grace Roman Space Telescope.

NASA's Nancy Grace Roman Space Telescope has taken its first pictures of space as it heads toward its orbital location. From there, it will begin scanning deep space to uncover more about our universe.

Scanning vast swaths of sky, NASA’s next flagship observatory, the Nancy Grace Roman Space Telescope, promises to revolutionize our

This week, NASA turned on the Nancy Grace Roman Space Telescope's powerful 300-megapixel camera for the first time. The debut test image promises "groundbreaking science" to come with NASA already talking about doubling the mission's lifespan.

Though the spiral galaxy in this new image from the NASA/ESA Hubble Space Telescope seems serene, it hides a chaotic secret. This galaxy is NGC 4698, and it lies about 55 million light-years away in the constellation Virgo. It's one of more than a thousand galaxies in the Virgo Cluster, the nearest large cluster of galaxies bound together by gravity.

The space telescope is set to reveal thousands of new exoplanets and scour the universe for signs of dark matter and energy

NASA’s Roman Space Telescope may now have enough fuel for at least 22 years of science, more than double its original 10 year design life. An extremely precise course correction, extra fuel at launch, and additional expected savings could keep the powerful observatory studying the universe for decades.

The discovery of “hypersoft” X-ray beacons could help solve some mysteries about the universe.

New supercomputer simulations suggest JWST’s puzzling Little Red Dots are rapidly growing black holes from the early Universe. Extreme radiation may have helped create unusually massive black hole seeds, while dense surrounding gas allowed them to grow dozens of times faster than black holes can today. The simulated objects closely resemble the Little Red Dots seen by Webb. If correct, they could solve the mystery of how enormous black holes formed so soon after the Big Bang.

Research initiated as part of a bachelor's thesis in physics at the Universitat Autònoma de Barcelona (UAB) has culminated in a new analytical description of the muon-based calibration of dual-mirror Cherenkov telescopes. The work solves a problem that had remained open for more than 30 years because of the geometric complexity of these optical systems: determining precisely how much Cherenkov light produced by a muon reaches the camera, taking into account the shadows cast by the secondary mirror and the camera itself.

The Nancy Grace Roman Space Telescope hasn't yet reached its Sun–Earth L2 orbit, and it already has some good news. NASA has announced that the mission has enough fuel to potentially double its mission length. Though initially scheduled for five years of observations, followed by a five-year extended mission, the entire mission could now reach 22 years.

Roman Telescope’s 22-Year Fuel Supply NASA fitted the Nancy Grace Roman Space Telescope with a grapple fixture and

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James Webb Space Telescope observations of Chariklo, one of the smallest ringed worlds in the solar system, reveal some inexplicable changes.

More good news for NASA's Nancy Grace Roman Space Telescope. The telescope's first mid-course correction was extremely efficient, using only 10% of the fuel allotted for it. This efficiency, coupled with other factors, means the powerful space telescope will likely have an additional ~12 years of observing time.

The James Webb Space Telescope spots mysterious “little red dots” everywhere. A bold new theory suggests they’re suns dozens of times larger than our entire solar system. The post Black Holes or Black Hole Stars? Astronomers Spar Over Webb Telescope’s ‘Little Red Dots.’ first appeared on Quanta Magazine

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The James Webb Space Telescope (JWST) has opened many wonders of the cosmos to scientists since it began science operations a few years ago. But one thing it hasn't done is find an "exomoon." These still-theoretical moons orbit exoplanets in other star systems, and JWST was supposed to find a plethora of them.

A spectacular new Hubble Space Telescope image reveals almost 30,000 newborn stars around an enormous cavity carved into a stellar nursery in a neighboring galaxy.

NASA’s formidable gamma-ray burst hunter is doomed to soon reenter Earth’s atmosphere, leaving a glaring gap in our view of the high-energy sky

The James Webb Space Telescope (JWST) has opened up many wonders of the cosmos to scientists since it began its science operations a few years ago. But one thing that it hasn’t done is find an “exomoon”. These, as yet still theoretical, moons orbit exoplanets in other star systems, and JWST was supposed to find a plethora of them. However, so far it has found precisely none. It seems the cause is noise in the telescope’s instrumentation or noise from the star itself. But a new paper, available in pre-print form on arXiv from David Kipping, an astronomer at Columbia and also the host of the Cool Worlds YouTube Channel, shows how JWST can, in fact, find an exomoon. It likely just has to look for one in the same place repeatedly.

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Until just over a decade ago, ring systems were thought to be exclusive to the giant planets of the solar system, such as Jupiter, Saturn, Uranus and Neptune. However, in 2013, a small body barely 250 kilometers (155 miles) in diameter, located at nearly 17 times the Earth–sun distance, joined this small group. The object is Chariklo, a small body orbiting between Saturn and Uranus, around which astronomers discovered two dense rings.

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For the first time, scientists used the combined power of NASA's Hubble and James Webb Space Telescopes to study some of the most far-flung bodies in our solar system, trans-Neptunian objects (TNOs). Some are the smallest and faintest ever directly seen. The researchers unexpectedly found fewer small TNOs than expected and that the colors of these bodies followed the same relationships as those of their larger family members.

A new study finds that two early-universe objects thought to be faint quasars are actually extraordinarily luminous galaxies powered by bursts of star formation. James Webb Space Telescope observations of the galaxies, seen when the universe was less than a billion years old, reveal signatures of extremely massive stars, including some potentially more than 200 times the mass of the sun. The paper outlining this discovery was posted to the arXiv preprint server on Aug. 18.

A dazzling new James Webb Space Telescope image reveals about 70 newborn stars buried inside a strangely shaped cloud in the Carina Nebula.

A private spacecraft that was supposed to supply a lifeline to NASA's Swift Observatory managed to get close to the sinking telescope and even snap photos more than a week after the rescue was abandoned.

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The Hubble Space Telescope spied a large atmospheric phenomenon on Saturn: a decagon surrounding the south pole.

This NASA/ESA Hubble Space Telescope image features a sprawling cosmic vista in the Large Magellanic Cloud, or LMC, the largest of the small galaxies that orbit our Milky Way galaxy. At just 160,000 light-years away, the LMC offers a close look at highly active star-forming sites like the one in this image. This photogenic nebula, named LHA 120-N44, or N44, is in the constellation Dorado.

A potentially history-altering finding by a University of Limerick researcher may provide the most detailed technical analysis of a telescope demonstrably made by the famous astronomer and scientist Galileo Galilei.

Recent observations with NASA's Hubble Space Telescope have revealed a giant, evolving, 10-sided atmospheric wave encircling Saturn's south pole. This discovery marks the first time a large, regular-sided jet pattern has been observed in the planet's southern hemisphere. The feature appears remarkably similar to Saturn's famous hexagon at its north pole but is also distinctly different, suggesting scientists may be witnessing a new atmospheric phenomenon developing on the iconic gas giant.

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The Nancy Grace Roman Telescope is headed toward a Lagrange point, a critical position in outer space where gravitational forces behave in specific ways

NASA has brought two of Swift’s telescopes back online after technical problems derailed a commercial mission intended to rescue the aging observatory by raising its orbit. With atmospheric drag pulling the spacecraft downward faster than expected, scientists may have only another month or two before Swift falls below a critical operating altitude.

ZWO's best pro smart telescope to date is perfect for astronomy and solar imaging, with a price to match.

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After a flawless launch, the Nancy Grace Roman Space Telescope is on a mission to solve some of the universe’s biggest mysteries

Astronomers using the James Webb Space Telescope have identified one of the most distant exploding stars ever confirmed. The supernova, SN 2023aeaf, was found at a redshift of 3.195—so far away that its light has been traveling for roughly 11.7 billion years. The study, published in The Astrophysical Journal on Aug. 13, offers a close-up look at how massive stars die in the young universe's primitive, metal-poor conditions.

NASA’s Roman Space Telescope has begun its million-mile journey to L2, carrying a panoramic infrared camera designed to map billions of galaxies and uncover thousands of planets.

Astronomers may have finally solved the mystery behind a nearly two-decade-old cosmic explosion that seemed to break the rules of physics. The energy output of a powerful gamma-ray burst, GRB 061201, discovered in 2006, did not match well-established patterns seen in other similar explosions. Now, in a new study published in the Astrophysical Journal on Aug. 3, astronomers have revealed why.

NASA’s Roman Space Telescope has launched on a million mile journey to L2, where it will scan huge portions of the cosmos for clues about dark matter, dark energy, and distant worlds. With survey speeds roughly 1,000 times faster than Hubble and a torrent of 1.4 terabytes of data per day, Roman could uncover cosmic surprises astronomers have never seen before.

NASA’s Nancy Grace Roman Space Telescope is on a mission to probe dark energy, hunt for distant worlds and transform our view of the universe

Roman Space Telescope Launch NASA’s newest flagship observatory is on its way. The Nancy Grace Roman Space Telescope

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NASA's newest eye on the sky, the Nancy Grace Roman Space Telescope, has begun its journey to unravel the secrets of dark matter, dark energy and Earthlike planets — months ahead of schedule.

NASA's newest crown jewel blasted off Sunday to hunt for planets around other stars, explore secret dark energy and survey the cosmos like never before.

Nature is the foremost international weekly scientific journal in the world and is the flagship journal for Nature Portfolio. It publishes the finest peer-reviewed research in all fields of science and technology on the basis of its originality, importance, interdisciplinary interest, timeliness, accessibility, elegance and surprising conclusions. Nature publishes landmark papers, award winning news, leading comment and expert opinion on important, topical scientific news and events that enable readers to share the latest discoveries in science and evolve the discussion amongst the global scientific community.

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The Nancy Grace Roman Telescope will probe dark matter and dark energy, discover exoplanets and study stars

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A dazzling new Hubble image of NGC 6723 poses one of astronomy's biggest questions: How did the Milky Way's oldest star clusters form?

NASA is preparing to launch its new flagship space telescope on Sunday, embarking on a multiyear mission to create an unprecedented map of the cosmos and shed light on some of the biggest mysteries in physics.

Astronomers will use data collected by Roman’s wide, deep gaze to study the dark universe and hunt for new worlds.

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The Roman Space Telescope will spend more than a quarter of its time staring at the Milky Way’s bulge, a star-packed central region of our galaxy that may swarm with small, rocky exoplanets

NASA’s Roman Space Telescope will combine Hubble-like detail with a field of view 100 times larger, giving astronomers a sweeping new way to explore the cosmos. Its observations could uncover hidden planets, map billions of cosmic objects, and help scientists unravel the mysteries of dark matter and dark energy.

NASA’s Roman Space Telescope will open a whole new window on the cosmos. Here are 10 things it’s likely to show us

The Nancy Grace Roman Space Telescope is set to launch this weekend aboard a SpaceX rocket from Kennedy Space Center in Florida. When it becomes operational early next year, it will transform our view of the universe.

NASA’s newest major observatory will include the most advanced planet-imaging tech ever flown in space. Here’s how it works

On Sunday, Aug. 30, the Nancy Grace Roman Space Telescope is expected to launch from NASA's Kennedy Space Center in Florida. The observatory will join the Hubble Space Telescope, launched in 1990, and the James Webb Space Telescope, launched in 2021, in scanning the vastness of space and potentially finding answers to longstanding mysteries of the universe.

NASA’s latest offering to the stars comes from a legacy of great observatories that enabled decades of discovery and unearthed new mysteries about the universe.

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The Nancy Grace Roman Space Telescope is set to launch from Kennedy Space Center in Florida Sunday morning (Aug. 30). The state-of-the-art spacecraft will help astronomers study exoplanets, distant galaxies, dark matter and much more.

New data from NASA’s Hubble Space Telescope shows definitive evidence of a dwarf galaxy merging with the young Milky Way galaxy in the earliest phases of its evolution. This finding extends our knowledge of our galaxy’s history 1.8 billion years farther back in time than before.

Astronomers are lining up to leverage NASA’s soon-to-launch Nancy Grace Roman Space Telescope, which boasts capabilities unlike any previous off-world observatory

The latest Swedish-led search for technosignatures in the form of Dyson spheres has again come up empty-handed. The two latest stellar candidates in the hunt for such hypothetical extraterrestrial technology have been eliminated as Dyson spheres.

Recent searches for the technosignatures of hypothetical Dyson Spheres again turn up empty.

The Roman Space Telescope is designed to directly image exoplanets using complex optomechanical systems developed by the Max Planck Institute for Astronomy

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The more scientists try to understand dark energy, the more its mysteries seem to grow. NASA’s newest space telescope is custom-built to crack the case