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

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

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 ...