"We now have the first outlines of a geologic map of the asteroid belt ... Most meteorites originate from the asteroid belt, ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

Geologic map of the asteroid belt. Circles identify the asteroid families ... Most meteorites originate from the asteroid belt, a region between Mars and Jupiter where over a million asteroids larger ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

My main research interests are the geologic, hydrologic, and climatic histories of the planet Mars and all things related. In particular, I work on problems dealing with past fluvial erosion on Mars, ...

Geologic map of the asteroid belt ... Most meteorites originate from the asteroid belt, a region between Mars and Jupiter where over a million asteroids larger than 1 kilometer circle the Sun.