The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires dismantling most of what you think life means — and the video that explains it ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Winter evenings are the perfect time to escape into another world, with teachers in Korea, a fortune teller in Japan, or in a ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Scientists have found a hidden biosphere stretching miles beneath Earth’s surface and as deep as 6 miles below the seafloor.

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