The interstellar object has been named 3I/Atlas by the International Astronomical Union’s Minor Planet Center.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

The Solar System seems calm, but that tranquility is fragile. Now imagine one day looking up and spotting something ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since 1912. But new ...

“Debris is notoriously difficult to remove, so a strong solar cycle with strong geomagnetic storms is one of the best things for helping to maintain a long-term operable environment,” they say. That’s ...