Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

Scientists detected gases on exoplanet K2-18b linked to life on Earth. The James Webb Space Telescope's future results show a ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

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

The Outer Limits still feels remarkably modern, with eerie sci-fi stories that inspired generations of genre television.

From underground societies to futuristic conspiracies, these sci-fi series capture the mystery and immersive storytelling that make Silo so compelling.

As NASA prepares for long-term moon bases, scientists are working on how to grow food in lunar soil and deal with razor-sharp ...