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

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

NASA addresses the release of UFO files and discusses the ongoing search for life on Mars. What are they hiding?

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

Before Avatar, before Pacific Rim, Wayne Barlowe built an alien world so detailed and scientifically grounded that the ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

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

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...