Violaine Sautter

Rocks rich in silica similar to those in the oldest part of Earth's continental crust are scattered throughout the area where NASA's Curiosity probe is exploring on Mars, according to a study published on Monday in Nature Geoscience.

Rocks rich in silica similar to those in the oldest part of Earth's continental crust are scattered throughout the area where NASA's Curiosity probe is exploring on Mars, according to a study published on Monday in Nature Geoscience.