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

Alien civilizations may have left traces. We just may not have been looking in the right place.

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

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

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously secret NASA Apollo 16 briefing surfaced online. The recording references a ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

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

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...

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

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

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