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.

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

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

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

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

A European space agency created the first "artificial total solar eclipse" using a pair of satellites on Monday.

The sprawling Republican budget bill approved by the Senate Tuesday removes a proposed tax on solar and wind energy projects but quickly phases out tax credits for wind, solar and other ...

World Asteroid Day 2025 is upon us! Here's how you can celebrate the event by livestreaming real-time views of near-Earth ...

Could a rogue star disrupt our peaceful solar system? Scientists are keeping a close eye on the galactic neighborhood, and ...

The sun rises from the east, and sets in the west - this is a well-established fact for the longest time, and this is due to ...

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