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

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

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 ...

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

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 Sun’s death. But hey, the Universe is a dangerous place, and we’re not done ...

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

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 ...

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

American space agency NASA revealed details on a new coating material that could be used on the upcoming starshade for the ...

'Megaprojects' like huge solar farms could be visible from great distances. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We may already be ...