In 2017 astronomers detected an unusual object entering our Solar System from interstellar space. Named ‘Oumuamua, it ...

Add Yahoo as a preferred source to see more of our stories on Google. NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, making ...

Researchers have picked up a "heartbeat" pulse from a mysterious "interstellar object" approaching Earth. The visitor, named 3I/ATLAS, reaches its nearest point to our planet today, passing within 170 ...

Mysterious interstellar object 3I/ATLAS made its closest approach to Earth on December 19, coming within just 167 million miles. Scientists have been closely monitoring the object — which is largely ...

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

Are we hitching our wagon to the wrong star? Harvard scientist Avi Loeb has slammed a seemingly far-fetched proposal to intercept interstellar comet 3I/ATLAS with a spacecraft, claiming that we’re ...

It may have made its closest approach to Earth last month, but the mysterious interstellar object 3I/ATLAS continues to fascinate astronomers as it now careens back out of the solar system, never to ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare opportunity to study an object born around another star. Space agencies are ...

Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

The JUICE mission snapped photos of Comet 3I/Atlas after surviving its closest approach to the Sun. This will be your best chance to see 3I/ATLAS in the night sky. Never-before-seen images of 3I/ATLAS ...

Harvard astronomer Avi Loeb has just spoken out about a bold proposal: launching a spacecraft to pursue and capture the interstellar comet 3I/ATLAS.