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

The mission is still in the early stages of its conception, with contracts given recently to firms.

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

Neil deGrasse Tyson challenges recent UAP disclosures, urging officials to provide concrete evidence of extraterrestrial life ...

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 ...

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...

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

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

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

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

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