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

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

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

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

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

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

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

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

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

ST. PETERSBURG, RUSSIA—Live Science reports that a tenth-century burial uncovered in southern Siberia's Sayan Mountains in 2014 contains the remains of a woman; a newborn; the spine of a sheep; and ...

TICONDEROGA, N.Y. (NEWS10) — Artifacts from the American Revolution have been unearthed at Liberty Hill, the site where the Declaration of Independence was read to the Continental Army at Fort ...