Tag Archive for 'Webb'

These composite images show protoplanetary disks Tau 042021 (left) and Oph 163131 (right). Image credit: NASA / ESA / CSA / Webb / Hubble / ALMA / ESO / NAOJ / NRAO / G. Duchêne / M. Villenave.

Webb Captures Striking Edge-On Views of Two Planet Nurseries

Apr 8, 2026 by Enrico de Lazaro

New images from the NASA/ESA/CSA James Webb Space Telescope reveal two young stars surrounded by planet-forming disks, Tau 042021 (left) and Oph 163131...

The Jupiter-sized planet TOI-5205b has a surface temperature of 737 K and orbits its parent star, TOI-5205, at a distance of 0.02 AU. Image credit: Sci.News.

Giant Exoplanet TOI-5205b Has Carbon-Rich, Oxygen-Poor Atmosphere, Webb Observations Show

Apr 7, 2026 by News Staff

Using the Near-Infrared Spectrograph (NIRSpec) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have characterized the atmosphere of TOI-5205b,...

These Webb (left) and Hubble (right) images reveal Saturn in infrared and visible light. Image credit: NASA / ESA / CSA / STScI / A. Simon, NASA-GSFC / M. Wong, University of California / J. DePasquale, STScI.

Webb and Hubble Telescopes Capture Saturn in Unprecedented Detail

Mar 26, 2026 by News Staff

By combining infrared observations from the NASA/ESA/CSA James Webb Space Telescope with visible-light imagery from the NASA/ESA Hubble Space Telescope,...

This illustration depicts Kepler-51 and its three giant planets. Image credit: NASA / ESA / L. Hustak, J. Olmsted, D. Player & F. Summers, STScI.

Kepler-51d Challenges Theories of Planetary Formation

Mar 18, 2026 by News Staff

Kepler-51 is a young G-dwarf star hosting three super-puffs and one low-mass non-transiting exoplanet. Kepler-51d, the coolest transiting planet in this...

An artist’s impression of the planetary system L 98-59. Image credit: Mark A. Garlick / markgarlick.com.

New Kind of Planet May Lurk in Milky Way: Extreme World of Magma and Sulfur

Mar 16, 2026 by News Staff

New observations of L 98-59d, a member of the five-planet system L 98-59, suggest it harbors a vast global magma ocean that traps sulfur deep inside, forming...

Webb captured the auroral footprints of Io and Europa, providing spectral measurements for the first time, and revealing extreme changes in the physical properties within Io’s auroral footprint that are likely linked to the electrons crashing into the top of Jupiter’s atmosphere. Image credit: NASA / ESA / CSA / Webb / NIRCam / Jupiter ERS Team / Judy Schmidt / Katie L. Knowles, Northumbria University.

Webb Captures Io’s and Europa’s Auroral Footprints in Jupiter’s Atmosphere

Mar 5, 2026 by News Staff

The NASA/ESA/CSA James Webb Space Telescope conducted a clockwise scan around the entire limb of Jupiter, chasing aurora as it rotated into view. This...

These Webb images show PMR 1, a planetary nebula some 5,000 light-years away in the constellation of Vela. Image credit: NASA / ESA / CSA / STScI / Joseph DePasquale, STScI.

Webb’s Infrared Vision Reveals Planetary Nebula that Looks Strikingly Like Celestial Brain

Feb 27, 2026 by Enrico de Lazaro

The unmatched sensitivity of the NASA/ESA/CSA James Webb Space Telescope in both near- and mid-infrared light sheds new light on PMR 1, a little-studied...

This Webb image shows NGC 5134, a spiral galaxy some 65 million light-years away in the constellation of Virgo. Image credit: NASA / ESA / CSA / Webb / A. Leroy.

Webb Focuses on Spiraling Star Factory: NGC 5134

Feb 24, 2026 by Enrico de Lazaro

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have produced a spectacular infrared image of the spiral galaxy NGC 5134. This Webb image...

The main image at left shows a combined Webb and Hubble view of the spiral galaxy NGC 1637, with the region of interest in the top right; the remaining three panels show a detailed view of a red supergiant star before and after it exploded; the star is not visible in the Hubble image before the SN 2025pht explosion, but appears in the Webb image; the July 2025 view from Hubble shows the glowing aftermath of the explosion. Image credit: NASA / ESA / CSA / STScI / C. Kilpatrick, Northwestern / A. Suresh, Northwestern / J. DePasquale, STScI.

Webb Identifies Supernova Progenitor Star in NGC 1637

Feb 23, 2026 by News Staff

Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a nearby supernova — a red supergiant...

Tiranti et al. mapped the vertical structure of Uranus’ upper atmosphere, uncovering how temperature and charged particles vary with height across the planet. Image credit: NASA / ESA / CSA / Webb / STScI / P. Tiranti / H. Melin / M. Zamani, ESA & Webb.

Webb Reveals Hidden Layers of Uranus’ Upper Atmosphere

Feb 21, 2026 by News Staff

For the first time, astronomers have mapped the vertical structure of Uranus’ ionosphere, uncovering unexpected temperature peaks, weakened ion densities,...

This Webb image shows the jellyfish galaxy COSMOS2020-635829; the dashed circles mark the four extraplanar sources that are identified in the tail of the galaxy. Image credit: Roberts et al., doi: 10.3847/1538-4357/ae3824.

Webb Discovers Most Distant Jellyfish Galaxy Ever Seen

Feb 18, 2026 by News Staff

New observations from the NASA/ESA/CSA James Webb Space Telescope reveal a galaxy with sweeping gaseous ‘tentacles’ in a galaxy cluster at redshift...

Artist's rendering of the planetary system HR 8799 at an early stage in its evolution, showing the planet HR 8799c, a disk of gas and dust, and interior planets (Dunlap Institute for Astronomy & Astrophysics / Mediafarm)

Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters

Feb 16, 2026 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in the atmospheres of three gas-giant...

Hydrocarbons play a key role in shaping the chemistry of the interstellar medium, but their enrichment and relation with carbonaceous grains and polycyclic aromatic hydrocarbons still lack clear observational constraints. García-Bernete et al. report on the Webb infrared observations of the local ultra-luminous infrared galaxy (ULIRG) IRAS 07251-0248, which revealed the extragalactic detection of small gas-phase hydrocarbons. Image credit: García-Bernete et al., doi: 10.1038/s41550-025-02750-0.

Webb Detects Unexpected Richness of Hydrocarbons in Obscured Core of Nearby Ultra-Luminous Galaxy

Feb 8, 2026 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have uncovered an unprecedented richness of small gas-phase hydrocarbons — such as...

This Webb image shows the galaxy MoM-z14 as it appeared in the distant past, only 280 million years after the Big Bang. Image credit: NASA / ESA / CSA / STScI / Rohan Naidu, MIT / Joseph DePasquale, STScI.

Webb Discovers Most Distant Galaxy Yet: MoM-z14

Jan 29, 2026 by News Staff

MoM-z14 existed just 280 million years after the Big Bang, according a team of astronomers led by Dr. Rohan Naidu from the Kavli Institute for Astrophysics...

Containing nearly 800,000 galaxies, this Webb image is overlaid with a map of dark matter, represented in blue. Image credit: NASA / STScI / J. DePasquale / A. Pagan.

Webb Creates Most Detailed Dark-Matter Map Yet

Jan 27, 2026 by News Staff

Using ultra-sharp imaging from the NASA/ESA/CSA James Webb Space Telescope, astronomers have produced an extremely detailed, wide-area map of mass in the...

This Webb image shows the galaxy cluster MACS J1149.5+2223. Image credit: NASA / ESA / CSA / Webb / C. Willott, National Research Council Canada / R. Tripodi, INAF-Astronomical Observatory of Rome.

Webb Sees Lensing Galaxy Cluster in Leo

Jan 26, 2026 by Enrico de Lazaro

A team of Webb astronomers has released an absolutely beautiful image taken by the NASA/ESA/CSA James Webb Space Telescope of MACS J1149.5+2223 (MACS J1149...

This Webb image shows a portion of the Helix Nebula. Image credit: NASA / ESA / CSA / STScI / A. Pagan, STScI.

Webb Peers Deep into Iconic Helix Nebula

Jan 20, 2026 by News Staff

The new infrared image from the NASA/ESA/CSA James Webb Space Telescope reveals the complex structure of gas and dust shed by a white dwarf in the center...

Little red dots are young supermassive black holes in dense ionized cocoons. Image credit: NASA / ESA / CSA / Webb / Rusakov et al., doi: 10.1038/s41586-025-09900-4.

Early Universe’s ‘Little Red Dots’ Are Young Supermassive Black Holes, Astrophysicists Say

Jan 15, 2026 by News Staff

Astrophysicists at the University of Copenhagen show that the enigmatic ‘little red dots’ — red sources scattered across images of the early...

The Hubble image shows the Circinus Galaxy, a spiral galaxy about 13 million light-years away in the southern constellation of Circinus; a close-up of its core from Webb shows the inner face of the hole of the donut-shaped disk of gas disk glowing in infrared light; the outer ring appears as dark spots. Image credit: NASA / ESA / CSA / Webb / Hubble / Enrique Lopez-Rodriguez, University of South Carolina / Deepashri Thatte, STScI / Alyssa Pagan, STScI / NSF’s NOIRLab / CTIO.

Webb Peers into Heart of Circinus Galaxy

Jan 13, 2026 by Enrico de Lazaro

Astronomers using NASA’s James Webb Space Telescope have captured the most detailed infrared view yet into the center of the Circinus Galaxy, one of...

COSMOS-74706: an unsharp mask overlaid onto the F200W, F277W, and F356W filter composition; the white lines are logarithmic spirals fitted to points along the arm structures and a line segment fitted to the approximately North to South aligned bar structure. Image credit: Daniel Ivanov.

Barred Spiral Galaxy Spotted Just Two Billion Years after Big Bang

Jan 13, 2026 by News Staff

Using the high resolution images from the NIRCam (Near-InfraRed Camera) instrument onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have...

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