The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

This impact unleashed about 130 times the energy of the current global inventory of nuclear weapons. Read more at ...

Using energy greater than the global nuclear weapons inventory, an impact event carved two grand canyons into the moon’s ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on the lunar far side.

For the first time, Blue Origin put its New Shepard suborbital rocket ship through a couple of minutes' worth of moon-level ...