Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

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

For centuries, religious traditions like Catholicism have viewed extraterrestrial life as a valid theological topic rather than a contradiction, openly discussing the concept for generations.

Loeb's team will report to a new White House panel focused on UFOs, now often referred to as unidentified anomalous phenomena ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

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

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...