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This composite image, made using data from the NASA/ESA Hubble Space Telescope and the NASA/ESA/CSA James Webb Space Telescope, shows auroral activity (cyan splotches) on Neptune. Image credit: NASA / ESA / CSA / STScI / Heidi Hammel, AURA / Henrik Melin, Northumbria University / Leigh Fletcher, University of Leicester / Stefanie Milam, NASA-GSFC.

Webb Detects Trihydrogen, Captures Aurorae on Neptune for First Time

Mar 26, 2025 by News Staff

Emissions from the upper-atmospheric trihydrogen cation (H3+) have been used to study the global-scale interactions of Jupiter, Saturn and Uranus with...

Webb observed Herbig-Haro 49/50 in high-resolution near- and mid-infrared light with the NIRCam and MIRI instruments. Image credit: NASA / ESA / CSA / STScI.

Webb Spots Tornado-Like Herbig-Haro Object

Mar 25, 2025 by News Staff

Using the NIRCam and MIRI instruments onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have produced a high-resolution image of Herbig-Haro...

This image shows the spiral galaxy 2MASX J23453268-0449256 and its giant radio jets. Image credit: Bagchi et al. / Giant Metrewave Radio Telescope.

Cosmic Anomaly: Massive Spiral Galaxy is Ejecting Colossal Pair of Relativistic Jets

Mar 24, 2025 by News Staff

2MASX J23453268-0449256 (J2345-0449 for short), an extremely massive, rapidly rotating, jet-launching spiral galaxy approximately 947 million light-years...

An artist’s conception of a violent stellar flare from Proxima Centauri. Image credit: S. Dagnello, NRAO / AUI / NSF.

Proxima Centauri Exhibits Extreme Flaring Activity, New ALMA Observations Show

Mar 24, 2025 by News Staff

Proxima Centauri’s flaring activity has been well known to astronomers using visible wavelengths, but new observations with the Atacama Large Millimeter/submillimeter...

This Hubble image shows NGC 5530, a spiral galaxy some 40 million light-years away in the constellation of Lupus. Image credit: NASA / ESA / Hubble / D. Thilker.

Hubble Captures Stunning Image of NGC 5530

Mar 24, 2025 by Enrico de Lazaro

NASA has released a beautiful new image snapped by the NASA/ESA Hubble Space Telescope of the ‘flocculent’ spiral galaxy NGC 5530. This Hubble image...

This is an artist’s impression of JADES-GS-z14-0. Image credit: ESO / M. Kornmesser.

ALMA Detects Oxygen in Farthest Known Galaxy

Mar 20, 2025 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected oxygen in the most distant confirmed galaxy ever found, JADES-GS-z14-0....

This artist’s impression shows the evolution of the Universe beginning with the Big Bang on the left followed by the appearance of the Cosmic Microwave Background. The formation of the first stars ends the cosmic dark ages, followed by the formation of galaxies. Image credit: M. Weiss / Harvard-Smithsonian Center for Astrophysics.

Dark Energy Survey Supports Theory of Evolving Dark Energy

Mar 19, 2025 by News Staff

The Lambda-CDM (ΛCDM) model has been the foundation of modern cosmology for some time now, successfully describing large-scale structures in the Universe....

Two ‘fans’ corresponding to the two main areas DESI has observed, above and below the plane of our Milky Way Galaxy. Image credit: DESI Collaboration / DOE / KPNO / NOIRLab / NSF / AURA / R. Proctor.

Dark Energy Might Be Evolving over Time in Unexpected Ways

Mar 19, 2025 by News Staff

New results from the DESI (Dark Energy Spectroscopic Instrument) Collaboration have revealed signs of a time-varying dark energy. Two ‘fans’ corresponding...

An image of the CMB radiation from the Atacama Cosmology Telescope; orange and blue represent more or less intense radiation. Image credit: ACT Collaboration.

Atacama Cosmology Telescope Captures Clearest Images Yet of Cosmic Microwave Background

Mar 19, 2025 by News Staff

New images from the Atacama Cosmology Telescope (ACT) reveal the Universe when it was about 380,000 years old. An image of the CMB radiation from the Atacama...

An artist’s impression of a neutron star. Image credit: Sci-News.com.

Astrophysicists Determine How Massive Neutron Stars Are When They Are Born

Mar 18, 2025 by News Staff

Astrophysicists from China and Australia have found that the birth masses of neutron stars can be described by a unimodal distribution that smoothly turns...

This Webb/NIRCam image shows the multi-planet system HR 8799. Image credit: NASA / ESA / CSA / STScI / W. Balmer, JHU / L. Pueyo, STScI / M. Perrin, STScI.

Webb Directly Images Multiple Giant Exoplanets around Two Young Stars

Mar 17, 2025 by Natali Anderson

Astronomers using the Near-Infrared Camera (NIRCam) onboard the NASA/ESA/CSA James Webb Space Telescope have captured coronagraphic images of the HR 8799...

This Hubble image shows a small region of the Small Magellanic Cloud near the center of the open cluster NGC 346. Image credit: NASA / ESA / Hubble / C. Murray.

Hubble Focuses on Star-Studded Region in Neighbor Galaxy

Mar 17, 2025 by Enrico de Lazaro

A new image taken with the NASA/ESA Hubble Space Telescope shows a small region of the Small Magellanic Cloud, one of the closest galaxies to the Milky...

This image from Webb’s NIRCam instrument shows Saturn

Saturn Now Has 274 Moons after New Discovery

Mar 13, 2025 by News Staff

A team of astronomers from Taiwan, Canada, the United States, and France has observed 128 additional moons orbiting the gas giant Saturn, bringing its...

Artist’s impression of Zeta Puppis, an O-type star approximately 1,400 light-years away in the constellation Puppis. Image credit: Tahina Ramiaramanantsoa.

Nearby Supernova Explosions May Have Caused Several Mass Extinctions on Earth

Mar 13, 2025 by News Staff

According to new research from Keele University and the Universidad de Alicante, near-Earth explosions of giant O- and B-type stars occur at a rate of...

Artistic illustration showing the radio pulses emitted by the binary star system: a white dwarf in orbit around a red dwarf. Image credit: Daniëlle Futselaar / artsource.nl.

Sporadic Radio Pulses Traced to White Dwarf-Red-Dwarf Binary System

Mar 12, 2025 by News Staff

Astrophysicists have found that a recently-discovered transient radio source, ILT J110160.52+552119.62, whose roughly minute-long pulses arrive with a...

An artist’s rendition of a giant star in orbit around a low-mass black hole. Image credit: Sci-News.com.

Black Hole Singularity Could Represent New Beginning: Study

Mar 12, 2025 by News Staff

Black holes may transition into white holes, ejecting matter and even time back into the Universe, according to a new study by physicists from the University...

An artist’s illustration of exoplanets orbiting Barnard’s star. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / P. Marenfeld.

Astronomers Find Evidence for Four Sub-Earth Exoplanets around Barnard’s Star

Mar 11, 2025 by News Staff

For a century, astronomers have been studying Barnard’s star in the hope of finding planets around it. First discovered by E.E. Barnard at Yerkes Observatory...

This collage of images from the Flame Nebula shows a near-infrared light view from Hubble on the left, while the two insets at the right show the near-infrared view taken by Webb. Image credit: NASA / ESA / CSA / M. Meyer, University of Michigan / A. Pagan, STScI.

Webb Focuses on Flame Nebula’s Brown Dwarfs

Mar 11, 2025 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have explored the lowest mass limit of brown dwarfs within the Flame Nebula, a hotbed of...

Lightning starts with a positive fast discharge, followed by an even faster and more extensive negative discharge observed in 3D; signal polarizations slant from the discharge propagation direction and rotate between the two opposite fast discharges; these features can only be due to a cosmic-ray shower that preconditioned the discharge path and guided the discharge current direction. Image credit: ELG21.

Cosmic-Ray Showers Play Pivotal Role in Triggering Lightning Flashes

Mar 11, 2025 by News Staff

How lightning is started in thunderstorms is poorly known. With a newly-developed 3D mapping and polarization system, physicists at Los Alamos National...