A population of free-floating planets is known from gravitational microlensing surveys. None have a directly measured mass, owing to a degeneracy with...
Astronomers discovered an enormous galaxy cluster called RM J130558.9+263048.4 on December 31, 2020; the date, combined with the bubble-like appearance...
This new image from the NASA/ESA Hubble Space Telescope shows a portion of the N159 star-forming complex in the Large Magellanic Cloud, a dwarf galaxy...
This new image from ESA’s Euclid space telescope shows two large galaxies: NGC 646 and NGC 646b. They look like neighbors, but they’re actually about...
The protoplanetary disk around IRAS 23077+6707, a young star located roughly 1,000 light-years away, is unexpectedly chaotic and turbulent, with wisps...
This new image from the NASA/ESA Hubble Space Telescope is one of the best ever views of Arp 4, a visual pair of galaxies in the constellation of Cetus.
This...
PSR J2322-2650b, an enigmatic Jupiter-mass exoplanet orbiting the millisecond pulsar PSR J2322-2650, appears to have an exotic helium-and-carbon-dominated...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered chemical fingerprints of primordial stars weighing between 1,000 and 10,000...
The NASA/ESA Hubble Space Telescope has produced an outstanding new image of the highly inclined spiral galaxy NGC 4388.
This Hubble image shows NGC 4388,...
Astronomers using ESA’s XMM-Newton observatory have captured an X-ray image of 3I/ATLAS, the third confirmed interstellar object to be detected passing...
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...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered a supernova explosion accompanying the gamma-ray burst event GRB 250314A...
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...
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...
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...
During November 2025, ESA’s Jupiter Icy Moons Explorer (Juice) used five of its science instruments to observe 3I/ATLAS, the second interstellar comet...
Using high-precision spectroscopic observations from the Near Infrared Imager and Slitless Spectrograph (NIRISS) onboard the NASA/ESA/CSA James Webb Space...
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...
NASA’s STEREO (Solar Terrestrial Relations Observatory), the NASA/ESA SOHO (Solar and Heliospheric Observatory), and NASA’s PUNCH (Polarimeter to Unify...
