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This artist’s concept shows what TOI-561b and its star could look like. Image credit: NASA / ESA / CSA / Ralf Crawford, STScI.

Webb Detects Thick Atmosphere on Ultrahot Super-Earth TOI-561b

Dec 11, 2025 by News Staff

The new observations with the NASA/ESA/CSA James Webb Space Telescope suggest that TOI-561b is surrounded by a thick blanket of gases above a global magma...

Uranus could be an ice giant (left) or a rock giant (right) depending on the model assumptions. Image credit: Keck Institute for Space Studies / Chuck Carter.

New Research Challenges Classification of Uranus and Neptune as Ice Giants

Dec 11, 2025 by News Staff

The composition of Uranus and Neptune might be less icy than previously thought, according to a new study by University of Zürich scientists. Uranus could...

Webb identified the source of a super bright flash of light known as a gamma-ray burst: a supernova that exploded when the Universe was only 730 million years old. Image credit: NASA / ESA / CSA / STScI / A. Levan, IMAPP / A. Pagan, STScI.

Webb Detects Earliest-Known Supernova Explosion

Dec 10, 2025 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered a supernova explosion accompanying the gamma-ray burst event GRB 250314A...

Characterization of a presolar spinel-hibonite grain from the asteroid Bennu. Image credit: Nguyen et al., doi: 10.1038/s41550-025-02688-3.

Scientists Find Presolar Stardust in Samples from Asteroid Bennu

Dec 10, 2025 by News Staff

Researchers have detected an unexpectedly high abundance of presolar grains — dust from stellar explosions predating our Solar System — in...

An artist’s impression of the flaring, windy supermassive black hole in NGC 3783. Image credit: ESA / ATG Europe.

Astronomers Spot Extraordinary Blast from Supermassive Black Hole in NGC 3783

Dec 9, 2025 by News Staff

Using ESA’s XMM-Newton and the X-Ray Imaging and Spectroscopy Mission (XRISM), a JAXA-led mission with ESA and NASA participation, astronomer have observed...

A figure illustrating the rotation of neutral hydrogen (right) in galaxies residing in an extended filament (middle), where the galaxies exhibit a coherent bulk rotational motion tracing the large-scale cosmic web (left). Image credit: Lyla Jung.

Astronomers Discover 50-Million-Light-Year-Long Spinning Cosmic Web Filament

Dec 8, 2025 by News Staff

The newly-discovered galaxy filament spans at least 50 million light-years and resides 140 million light-years away. The galaxies are orbiting around the...

This Hubble image shows the blue compact dwarf galaxy Markarian 178. Image credit: NASA / ESA / Hubble / F. Annibali / S. Hong.

Hubble Space Telescope Zooms in on Markarian 178

Dec 8, 2025 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have captured an amazing new photo of the blue compact dwarf galaxy Markarian 178. This Hubble image...

This image of the interstellar comet 3I/ATLAS was taken by Hubble on November 30, 2025. At the time, the comet was about 286 million km (178 million miles) from Earth. Image credit: NASA / ESA / STScI / D. Jewitt, UCLA / M.-T. Hui, Shanghai Astronomical Observatory / J. DePasquale, STScI.

Hubble Takes New Look at Interstellar Comet 3I/ATLAS

Dec 5, 2025 by Natali Anderson

The Hubble team has released a stunning new image snapped by the NASA/ESA Hubble Space Telescope of the interstellar comet 3I/ATLAS, which is only the...

This image from ESA’s Juice spacecraft shows the interstellar comet 3I/ATLAS. Image credit: ESA / Juice / NavCam / CC BY-SA 3.0 IGO.

ESA’s Juice Spacecraft Beams Back New Image of 3I/ATLAS

Dec 4, 2025 by News Staff

During November 2025, ESA’s Jupiter Icy Moons Explorer (Juice) used five of its science instruments to observe 3I/ATLAS, the second interstellar comet...

Psyche acquired four observations of 3I/ATLAS over the course of eight hours on September 8 and 9, 2025. Image credit: NASA / JPL-Caltech / ASU.

Psyche Observes Interstellar Comet 3I/ATLAS

Dec 3, 2025 by Natali Anderson

NASA’s Psyche spacecraft have acquired new images of 3I/ATLAS, the third object and the second comet from outside the Solar System confirmed. Psyche...

An artist’s impression of the exoplanet WASP-107b. Image credit: University of Geneva / NCCR PlanetS / Thibaut Roger.

Webb Detects Giant Clouds of Helium Leaking from WASP-107b

Dec 1, 2025 by News Staff

Using high-precision spectroscopic observations from the Near Infrared Imager and Slitless Spectrograph (NIRISS) onboard the NASA/ESA/CSA James Webb Space...

This Hubble image shows the active spiral galaxy NGC 1792. Image credit: NASA / ESA / Hubble / D. Thilker / F. Belfiore / J. Lee / PHANGS-HST Team.

Hubble Space Telescope Captures New Image of NGC 1792

Dec 1, 2025 by Enrico de Lazaro

NGC 1792 is a stormy and highly active spiral galaxy located in the southern constellation of Columba. This Hubble image shows the active spiral galaxy...

This image, captured by the Gemini South telescope, shows the planetary nebula NGC 6302. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / J. Miller & M. Rodriguez, International Gemini Observatory & NSF’s NOIRLab / T.A. Rector, University of Alaska Anchorage & NSF’s NOIRLab / M. Zamani, NSF’s NOIRLab.

Gemini South Telescope Focuses on Butterfly Nebula

Nov 28, 2025 by News Staff

To celebrate 25 years since the completion of the International Gemini Observatory, students in Chile voted for the Gemini South telescope to image the...

An artist’s impression of Quaoar and its two rings. Quaoar’s moon Weywot is shown on the left. Image credit: ESA / Sci.News.

Trans-Neptunian Object Quaoar Has Two Moons, New Study Suggests

Nov 24, 2025 by Natali Anderson

The newly-discovered moon has an estimated diameter of 38 km (23.6 miles) and a V magnitude of 28, likely making it the faintest satellite ever found around...

Traveling through our Solar System at a staggering 209,000 km (130,000 miles) per hour, 3I/ATLAS was made visible by using a series of colorized stacked images from September 11-25, 2025, using the Heliocentric Imager-1 instrument, a visible-light imager on NASA’s STEREO-A spacecraft. Image credit: NASA / Lowell Observatory / Qicheng Zhang.

Three Heliophysics Spacecraft Observe Interstellar Comet 3I/ATLAS

Nov 24, 2025 by News Staff

NASA’s STEREO (Solar Terrestrial Relations Observatory), the NASA/ESA SOHO (Solar and Heliospheric Observatory), and NASA’s PUNCH (Polarimeter to Unify...

This Hubble image shows part of the star-forming cloud N159. Image credit: NASA / ESA / Hubble.

New Hubble Image Brings Gigantic Star-Forming Cloud into Focus

Nov 24, 2025 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have released a beautiful new image of part of N159, a massive star-forming cloud located about 160,000...

Webb’s mid-infrared image shows four coiled shells of dust around a pair of Wolf-Rayet stars known as Apep. Image credit: NASA / ESA / CSA / STScI / Yinuo Han, Caltech / Ryan White, Macquarie University / Alyssa Pagan, STScI.

Webb Spots Four Distinct Dust Shells around Two Wolf-Rayet Stars

Nov 20, 2025 by News Staff

Using the NASA/ESA/CSA James Webb Space Telescope with data from ESO’s Very Large Telescope (VLT), two team of astronomers have captured a mid-infrared...

This ultraviolet image shows the coma of 3I/ATLAS as seen on October 9, 2025, by NASA’s MAVEN spacecraft using its IUVS camera. The brightest pixel at center indicates where the comet is. The surrounding bright pixels show where hydrogen atoms were detected coming from the comet. Image credit: NASA / Goddard / LASP / CU Boulder.

MAVEN Sends Back Ultraviolet Images of 3I/ATLAS

Nov 20, 2025 by News Staff

The new ultraviolet (UV) images from the Imaging Ultraviolet Spectrograph (IUVS) camera aboard NASA’s MAVEN (Mars Atmosphere and Volatile EvolutioN)...

This image of 3I/ATLAS was captured by the HiRISE camera onboard NASA’s Mars Reconnaissance Orbiter on October 2, 2025. Image credit: Image credit: NASA / JPL-Caltech / University of Arizona.

Mars Reconnaissance Orbiter Snaps Close-Ups of Interstellar Comet 3I/ATLAS

Nov 19, 2025 by News Staff

The new images from the High Resolution Imaging Science Experiment camera onboard NASA’s Mars Reconnaissance Orbiter will allow astronomers to better...