A massive meteor struck near Manson, Iowa, 74 million years ago, creating the U.S.'s largest impact crater and reshaping the ...

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 ...

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 ...

A newly identified impact scar in southern China has turned a quiet patch of countryside into one of the most important ...

GUANGZHOU, 24 October (BelTA - Xinhua) - The Jinlin impact crater in south China's Guangdong Province has been confirmed as the largest known crater on Earth since the Holocene period, which spans ...

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 ...

Two of Arizona's most famous landmarks may be linked by cosmic violence: the asteroid that gouged out Meteor Crater may have also caused the formation of an ancient lake in the Grand Canyon. This ...

The comet was discovered in its final stage before impact. As luck would have it, NASA had a probe on its way to Jupiter, perfectly placed to capture its demise.