There are all sorts of things flying around the universe that we earthlings haven't yet figured out how to identify.

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...

From aliens to doomsday, it's a watch like no other ...

From Children of Time to The Three-Body Problem, these books prove that hard sci-fi can be just as affecting and poignant ...

A CIA 'psychic spy' recently shared locations of four alien bases he claimed are hiding and operating on Earth, detailing the ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took ...