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

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 ...

A vast impact crater near the moon’s south pole was formed by an asteroid moving at more than a kilometre a second ... For comparison, the Grand Canyon in Arizona is 446 km long and up to ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

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 ...