Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

NASA’s James Webb Space Telescope has detected a carbon-rich atmosphere on a tiny world orbiting a dead, rapidly spinning ...

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Findings from a mysterious remote chain of islands off the coast of California are rattling bones in the science community as ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A cave on the Turkish Mediterranean coast was inhabited first by Neanderthals and then Homo sapiens, but the continuity of ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Once it was clear that the finding was most likely real, the team took a closer look at the chemistry of the material nearest ...