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 ...

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

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 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 ...

A midyear roundup of 2026 movies centering sex, intimacy, kink, sex work, and taboo, from 'Pillion' and 'Blue Film' to 'I ...