Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Alien probes could be hiding among us in plain sight as we search for them in the wrong places. This is the theory of professor Alex Ellery of Carleton University who argues that if self-replicating ...

3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

Scientists all over the world are interested in a strange object that is moving quickly through space. The thing, called 3I/ATLAS, is huge, about the size of Manhattan, and is moving toward Earth at ...