Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

Avi Loeb, a cosmologist who studied black holes and served as head of Harvard’s astronomy department until 2020, will lead a ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

An associated set of gigantic vertebrae belonging to the iconic extinct megalodon, or megatooth shark, that had been missing in action since the 1980s was discovered, providing new information about ...