Scientists detect a solid inner core on Mars for the first time, revealing a new chapter in planetary evolution.

The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

Seismic studies reveal Mars may have a solid inner core. The result deepens knowledge of its evolution and lost magnetic field. Researchers have determined that Mars shares a structural similarity ...

A simple core of pure iron and nickel couldn’t account for the observed properties. The Martian core must be rich in “light ...

"The idea was for our payload to get us just up to the potential biosignature designation and have the rest of the story told ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST) suggest. It is part of a group of planets orbiting a star called TRAPPIST ...

Nasa’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

Authoritarians have long feared and suppressed science as a rival for social influence. Experts see President Trump as ...

NASA’s Perseverance rover has discovered mudstones in Mars’ Jezero Crater that contain organic carbon and unusual textures hinting at possible biosignatures. These findings suggest that ancient ...

Experience the stunning view of Earth as seen from the surface of Mars. This video captures the breathtaking perspective of our planet from a Martian landscape. Join us for a unique exploration of ...

Vibrant red sandstone surrounded Nicholas Heinz as he hiked in Sedona, Ariz., in January 2024. But an odd rock, smaller than the palm of his hand, caught his eye. The gray basalt peppered with ...