What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

New data indicates Comet 3I/ATLAS is second only to C/2016 R2 in terms of methanol levels ever recorded in a comet within our solar system.

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

I/ATLAS, the unusual interstellar comet that continues to fascinate astronomers, appears to be keeping an intoxicating cosmic ...

Men, and Autobots, Christopher Nolan’s Interstellar landed as one of 2014’s big theatrical hits. But its ultimate legacy wasn ...

NASA has revealed a major update on the massive “city killer” asteroid amid fears after scientists debated using nuclear weapons to stop it.

Avi Loeb, who challenged scientists on the true origin of 3I/ATLAS, reckons alien life form will make contact with us soon ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

In October 2017, astronomers detected Oumuamua, the first known interstellar object to enter our solar system. As it passed the Sun, it showed a small but measurable acceleration — about 17 meters per ...