If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

On Dec. 19, 2025, 3I/ATLAS flew by Earth and did more than just give astronomers something to look at; it brought a piece of a far-off, alien world into our backyard. This cosmic vagabond moves at an ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...