Add Yahoo as a preferred source to see more of our stories on Google. The Moon's largest impact feature, the South Pole–Aitken basin, is so named because it stretches between Aitken crater and the ...

The moon’s oldest and largest crater didn’t form in the way astronomers thought, according to a detailed analysis of its shape, which would rewrite the moon’s early history. The South Pole-Aitken (SPA ...

U.S. astronauts who return to the moon’s surface in the years ahead for the first time in more than half a century will have the difficult and unprecedented task of setting the stage for a permanent ...

The South Pole-Aitken impact basin on the far side of the Moon formed in a southward impact (toward the bottom in the image). The basin has a radioactive “KREEP-rich” ejecta blanket on one side of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Two of Arizona's most famous landmarks may be linked by cosmic violence: the asteroid that gouged out Meteor Crater may have also ...

In 2009, NASA launched the Lunar Reconnaissance Orbiter, a spacecraft designed to image and map the surface of Earth's ...

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 ...

American astronauts who return to the moon's surface in the years ahead for the first time in more than half a century will have the difficult and unprecedented task of setting the stage for a ...