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.

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

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

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.

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

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 ...

The American Apophis Strategy is simple, powerful, and cost-effective: keep OSIRIS-APEX on track and unleash Janus through a public-private partnership. This would put the U.S. in the lead — not just ...