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 ...

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 ...

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

This ice cap is bigger than Texas ... It's a vast system of chasms five times longer and 10 times wider than the Grand Canyon, and scientists think it formed in a similar way.

scheduled for no earlier than 2027. Jutting off in straight lines from a massive crater like two bilby ears near the Moon's South Pole, is a pair of valleys similar to the Grand Canyon in size.

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

Two gigantic canyons on the moon — both deeper than ... exceed the Grand Canyon in depth. Future lunar surface explorers will be awed." This pair of lunar canyons represents two of many valleys ...