Aliens, cryptids and unidentified flying objects such as Mothman and the Flatwoods Monster all have a supposed history of ...

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

On Episode 216 of This Week In Space, Rod Pyle and Tariq Malik talk with physicist Dr. Daniel Whiteson about other ...

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

Today's Mars rovers typically drive at about 500 to 1,000 feet per hour — roughly the length of one to three football fields ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

Scotland's World Cup match against Brazil was expected to attract plenty of attention -- but an anticipated alien invasion ...

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...