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

Footage shows paper nautilus moving its tentacles from inside its shell and gazing through one of its eyes.

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

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...