A new study reveals that the impact of the Meteor crater may have caused a landslide that flooded the Grand Canyon 56,000 ...

Solving a lunar mystery? Scientist at the University of Arizona is the lead author on research proposing a new theory for the moon's unlikely origins.

As astronauts prepare for south-polar landings, a new look at the Moon’s biggest crater points to a pivotal moment in lunar history—and to the rocks you’ll want sampled next. A study led by Jeffrey ...

Astronauts who return to the moon for the first time in half a century will have the unprecedented task of setting the stage for a permanent lunar base. But a planetary scientist at the University of ...