From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

An astronaut on the ISS photographed a "lunar halo" over the Indian Ocean, revealing ice and rare optical phenomena from ...

Gilligan made good on his promise to himself. The resulting show, Pluribus, really is a wholly unique take on the sci-fi ...

Scientists have uncovered a hidden world 3.6 kilometres beneath the Greenland Sea, where methane mounds and life thrive in complete darkness. The discovery could transform climate science and ...

Mars may be tens of millions of kilometers away, but for planetary scientists, the most revealing rehearsal space sits in the ...

From global conflict to moments of humanity, AP staff and leading picture editors select the photographs that defined 2025.

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

New research using Cassini data suggests Titan may not have a global ocean, but small warm water pockets hidden deep in its ...