Did a flying saucer just land at NASA? It sure looks like it.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

NASA astronaut Anil Menon spoke with Newsweek's Leonardo Feldman about life in space, recently declassified UFO sightings, ...

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

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

NASA has unveiled its ambitious plan to build the first permanent human base on the Moon’s South Pole. The project will ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

Avi Loeb vows to brief public and create website to share findings of team tasked with investigating origins of mysterious ...