The discovery expands Uranus’s known family of satellites to 29, with the tiny moon measuring just 6 miles across.

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

A Harvard scientist has suggested that an interstellar object passing through the solar system might be a nuclear-powered alien spaceship. Most astronomers believe the object, dubbed 3I/ATLAS, […] ...

Our Milky Way is one of more than 100 galaxies bound together by gravity.

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian ...

Recently, the Hubble Space Telescope captured a before-and-after image of a star exploding brightly. With the images one year ...

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

It’s worth noting that stars didn’t even start showing up until about 300 million years after the Big Bang. So, whether ...

Researchers use newly deployed ‘CHIME Outrigger’ telescopes and deep-space imaging to challenge long-held assumptions about ...

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to 29 — and more likely remain undiscovered.