By studying the rock and other materials blasted out of a crater in an impact, planetary scientists say they were able to ...

A groundbreaking study published in Nature Communications has cast new doubt on the idea that the dark streaks observed on ...

Satellite images of the Red Planet suggest scientists were wrong about these strange Martian features.

A decade ago, researchers found what was considered the best evidence for the flow of very salty water on Mars: the ...

A new study by planetary scientists at Brown University and the University of Bern in Switzerland casts doubt on one of the ...