The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

Astronomers have calculated the risk posed by interstellar visitors such as 'Oumuamua and 3I/ATLAS hitting the Earth. They conclude that, unlikely as such an event is within anyone’s lifetime, it’s ...

Earth has a new friend — and it’s been waiting for us to notice it for decades. In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the ...

Interstellar objects like 3I/ATLAS are most likely to enter our solar system from two specific directions, a new study suggests. What does it mean for Earth? When you purchase through links on our ...

18 years ago, NASA lost an asteroid. Officially designated 2007 FT3, the Empire State Building-sized rock was tracked for around 24 hours before it slipped back into the solar system's darkness — and ...