Is an interstellar comet actually an alien spaceship? A researcher traces how influencers spread such speculation via social ...

The object known as 3I/ATLAS has stunned astronomers with twin jets that form straight, stable plumes over millions of ...

3I/ATLAS is only the third interstellar object ever detected. It poses no threat to Earth. The comet is currently dim, requiring a telescope to see. It will be closest to the sun in late October.

What was supposed to be a celebratory swearing-in for top White House adviser Sergio Gor took an awkward turn Monday, as President Donald Trump publicly threw him under the bus. The Oval Office ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will hurtle within 18 million miles ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 ...

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came and went in 2017. 2l/Borisov, an interstellar comet, was next, appearing ...