A routine drive by NASA’s Curiosity rover accidentally cracked open a Martian rock, revealing rare yellow sulfur crystals. The strange discovery has scientists questioning how such an unexpected ...

An accident on Mars revealed the surprising contents of an otherwise unremarkable rock. (NASA/JPL-Caltech/MSSS) A rock on ...

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to feed hundreds of lakes. Water is ubiquitous on Earth—about 70% of Earth's ...

NASA’s Mars Reconnaissance Orbiter has located a fresh crater on Mars after 20 years of monitoring, providing high-resolution images and updated data on surface features and seasonal streaks.

The Martian surface presents a complex record of geological processes that have spanned billions of years. The planet’s topography reveals evidence of volcanic activity, impact cratering, fluvial ...

Leading US scientists and engineers have published a 200-page report, "A Science Strategy for the Human Exploration of Mars," arguing for investing resources in visiting our most promising neighbor ...

Curiosity rover’s recent activities in the Boxwork unit include detailed bedrock analysis, Mastcam mosaics, and atmospheric monitoring, advancing NASA’s ongoing investigation of Mars geology.

(Phys.org) —NASA's Mars rover Curiosity has used autonomous navigation for the first time, a capability that lets the rover decide for itself how to drive safely on Mars.