About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...

Spanning 25 miles in diameter, this crater is three times the size of the Grand Canyon, making it the largest ... These crystals, thinner than a human hair, were extracted from sediments collected ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

A visit to the Grand ... canyon would be between two and five per cent the size of the original meteor. That means each fragment could have been up to 1,250 metres wide - more than 60 times larger ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

Two giant lunar valleys, Vallis Schrödinger and Vallis Planck, formed in less than 10 minutes, researchers say. Rocky debris ejected by an asteroid or comet impact 3.81 billion years ago ...

It's a vast system of chasms five times longer and 10 times wider than the Grand Canyon, and scientists ... Next, we'll swing around to Rabe Crater. It's covered in giant sand dunes 150 to 200 ...

Wright Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in ... radiating out from Schrödinger basin, a crater about 200 miles wide (320 km) that was blasted ...