NASA's Curiosity rover has found iron-rich carbonates on Mars, offering new clues about the planet's ancient climate and potential habitability. While slowly climbing the slopes of Mount Sharp ...

A chapter of the layered geological history of Mars is laid bare in this image from NASA's Curiosity rover. The image shows the base of Mount Sharp, the rover's eventual science destination.

From ancient volcanic deposits to layers formed by vanished lakes and river deltas, the rover's journey helps scientists piece together Mars’ hidden past. Among the most exciting discoveries are ...

Now, thanks to data from NASA's Curiosity rover, the mysteries surrounding Mars' ancient climate are finally coming into sharper focus. Recent findings, published in the journal Science ...

WASHINGTON — A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence of the planet's warmer and wetter ancient past when it ...

Nasa's Perseverance rover discovered a skull-shaped rock, dubbed "Skull Hill," in Mars' Jezero Crater, standing out against the lighter terrain. Chemical analysis ruled out meteorite composition ...