Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.
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 ...
Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...
An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.