AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Texas astronomers are part of the effort to construct the Giant Magellan Telescope – an effort that will bring a new level of ...

A new observatory in Chile has produced a stunningly detailed image of a nebula resembling cotton candy, using the largest ...

This image, taken with ESO’s Very Large Telescope (VLT), shows the supernova remnant SNR 0509-67.5. These are the expanding ...

The GMT will be one of several telescopes in Chile, including the “Very Large Telescope” and “Extremely Large Telescope.” The VLT has operated since 1998. The ELT is under construction and will have ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

Scientists have obtained photographic evidence of a double-detonation Type Ia supernova for the first time. This rare cosmic ...

The Vera C. Rubin Observatory's primary mirror is 8.4 meters in diameter, which makes it one of the largest optical ...

Scenes of nebulas in the Milky Way, a cluster of galaxies and thousands of new asteroids are a teaser of how the U.S.-funded ...