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.

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 ...

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

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

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 ...

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...

For weeks, Elena Adams has been leading her team at the Applied Physics Laboratory (APL) in Laurel, Maryland, through ...

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

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

Few cosmic visitors have captured the fascination of astronomers quite like the interstellar comet 3I/ATLAS. Hurtling through ...

NASA's $10 billion space telescope studied the third interstellar object to enter the solar system, measuring the chemical ...