In late 2025, astronomers spotted an interstellar comet making a quick trip through the solar system. 3I/ATLAS was discovered ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun ...

Professor Brian Cox explores the solar system and its alien landscapes bursting with fire and ice. NOW WATCHING Space. The ...

A decade ago, we spotted an exoplanet that could be the most habitable world yet discovered. Now we're about to find out if ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and is now showing signs of disintegration in real time. In this video, we ...

Swipe Down for Full Video Story We’ve thrown a lot of disasters at Earth over the years: from asteroids and aliens, to the ...

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

We already knew interstellar comet 3I/ATLAS came from somewhere far beyond our solar system. Now scientists have more ...

There are plenty of science fiction TV shows out there, but these 10 are the best cult classics to add to your watchlist (if ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in distant solar systems.

The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...