Stargazers can tune in to the Virtual Telescope Project's YouTube stream beginning at 11 p.m. EDT on Sept. 17 (3:00 GMT Sept.

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system on Sept. 26, ...

In scientific terms, it is normal for some predictions to fail. Not so much in the how, but in the when. A few years ago, some astronomical experts predicted that an asteroid would ...

The NASA/ESA Hubble Space Telescope has imaged Abell 611, a galaxy cluster located about 3.2 billion light years from Earth.

When engineers at a control center in Turin, Italy, sent a faint radio signal into space, they set off a world-first ...

On July 1, the Asteroid Terrestrial-impact Last Alert System (ATLAS) detected what was first believed to be an asteroid. As ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at 130,000 miles per hour. Astronomers are using Hubble and other telescopes to ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...