NASA’s Perseverance rover has uncovered the strongest evidence yet that Mars may once have been capable of supporting life ...

Unlike NASA's approach of launching two separate spacecraft, China reportedly plans to send its observer and impactor ...

Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.

This summer's heat waves actually have nothing on these historic records.

Stream now with KPBS Passport on KPBS+ / Watch Tuesday, July 7, 2026 at 11:30 p.m. on KPBS TV. The half-hour documentary ...

Last updated: 7 July 2026. More for You ...

Last updated: 7 July 2026. More for ...

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 polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Recent research has unveiled that giant ocean whirlpools, also termed mesoscale eddies, play a crucial role in transporting ...

Florida officials are asking people to avoid contact with the water in Lake Okeechobee where blue-green algae was tested.

China's Tianwen-2 mission has likely arrived at the quasi-moon Kamo'oalewa, which orbits the sun alongside Earth. The secretive probe will soon scoop up samples from our temporary companion to help ...