The dwarf planet Pluto and its five known natural satellites (Charon, Styx, Nix, Kerberos, and Hydra) may be frigid, but ...

Harvard University astronomers have proposed a new theory suggesting that the mysterious 'little red dots' first observed by the James Webb Space Telescope (JWST) two years ago represent new galaxies ...

Most stars in the Milky Way move at steady speeds, orbiting the galactic center in regular paths. But astronomers have ...

Searching for exoplanets within these disks is highly challenging. Astronomers use clues from the shape and morphology of the disks to infer the presence of exoplanets. Fomalhaut's debris disk ...

T he nearby (on a galactic scale) star Fomalhaut has a giant ring that has puzzled astronomers since its discovery in 2005.

A key mystery about Type Ia supernovas is that, in the dominant theory known as D6, a white dwarf would need a companion star ...

Scientists from a San Antonio-based research hub have found a new moon orbiting Uranus using NASA’s James Webb Space Telescope. Southwest Research Institute said it discovered a previously unknown ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

Uranus hosts yet another moon, which looks like a tiny, faint smudge in images captured by the James Webb Space Telescope, researchers report in an Aug. 19 NASA release. The newfound object makes the ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

A team of astronomers has found what appears to be a previously undiscovered moon orbiting Uranus. If confirmed, this finding would mean the gigantic blue-green ice planet would have 29 moons. The ...