The breakup of C/2025 K1 (ATLAS), captured by the NASA/ESA Hubble Space Telescope, opens a window into how fragile comet nuclei evolve and collapse.
These...
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...
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...
Using a vast catalog of Sun-like stars built by ESA’s Gaia mission, astronomers have found strong evidence that our home star traveled outward with thousands...
Using NASA’s Chandra X-ray Observatory and other telescopes, astronomers have traced a short-duration gamma-ray burst event called GRB 230906A to a faint...
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...
New images from the NASA/ESA Hubble Space Telescope and ESA’s Euclid mission have revealed the complex, multi-shell structure of the extraordinary planetary...
The JANUS science camera aboard ESA’s Jupiter Icy Moons Explorer (Juice) has captured new images of the interstellar object 3I/ATLAS.
This image of the...
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...
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...
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...
For the first time, astronomers have mapped the vertical structure of Uranus’ ionosphere, uncovering unexpected temperature peaks, weakened ion densities,...
The new dark galaxy candidate is dominated by dark matter and nearly devoid of light. Named Candidate Dark Galaxy-2 (CDG-2), the object consists of four...
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...
Using archival data from NASA’s NEOWISE mission along with data from other space and ground-based observatories, astronomers identified the clearest...
A new image from the NASA/ESA Hubble Space Telescope reveals for the first time the delicate interplay of cosmic dust and stellar winds in the Egg Nebula,...
Astronomers using the NASA/ESA Hubble Space Telescope have captured a new photo of the lenticular galaxy NGC 7722.
This Hubble image shows NGC 7722, a...
