Interstellar object 3I/ATLAS nucleus size remains one of the biggest mysteries in astronomy. Scientists are analyzing ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

NGC 3603-A1 is a pair of giant stars locked in a rapid 3.8-day orbit. Their dynamic relationship provides clues to how massive stars evolve and form black holes. A team of astronomers combined archiva ...

The world's greatest space telescopes have all been round. Now, a new rectangular design could turbocharge our search for ...

It's a scene that could evoke popular fantasy stories, with sparkling stars shining above misty mountaintops, but the James ...

Discover 9 breathtaking Milky Way images captured by NASA’s Hubble Space Telescope, revealing the galaxy’s stunning structure ...

The star, named WD 0525+526, is located about 128 light-years from Earth. Though it appeared rather standard at first glance through visible light, further observations using the Hubble telescope ...

Astronomers discovered a rare ultra-massive white dwarf forged in a stellar smash-up and unmasked only by Hubble’s ...

Urban legend has told us exactly what aliens look like — little humanoid figures with large oval eyes, a tiny mouth and nose ...

Comet 3I/ATLAS has been photographed multiple times since its discovery in July. In early August, NASA and the European Space ...

In a recent study published in Nature Astronomy, astronomers using NASA’s Hubble Space Telescope have uncovered an ...