Scientists studying a rare, ancient angrite meteorite found in the Sahara Desert have uncovered evidence of a lost ...
An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...
Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate chaos on Earth, Mars and Venus. If our solar system had a super-Earth, it's ...
The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.