Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased photographs showing what appear ...

The Artemis II astronauts who flew around the moon earlier this year are back in Florida, reunited with their capsule and launch team ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

China’s spacecraft, Tianwen-2, has been hunting down its target — a so-called quasi-moon — ever since it launched from Earth ...

For anyone who has ever wondered whether they could handle life on another planet, NASA is offering a chance to find out – ...

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Does anywhere in the country better represent this era of the American experiment than a self-governing tech-company town ...

Canadian astronaut Jeremy Hansen is leaving the Canadian Space Agency following his historic Artemis II lunar mission, the ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...