Building material samples from the University of Delaware spent six months mounted outside the International Space Station, where the harsh conditions of low Earth orbit tested their limits.

As humanity prepares for a new era of space exploration, NASA and other space agencies are planning ambitious missions to ...

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 ...

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 ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

A U.S. pastor claims he was taken to a secret UFO disclosure gathering in Tennessee ...

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

Spacecraft are no longer just visiting other worlds. They’re starting to bring pieces of them home. NASA returned asteroid dust to Earth in 2023, and scientists hope Mars rocks will follow in the ...

This transcript was created using speech recognition software. While it has been reviewed by human transcribers, it may contain errors. Please review the episode audio before quoting from this ...

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