YR4 does smash down on the lunar surface, the explosion might be visible from Earth and would leave a new crater on the near ...

The energy to produce the grand canyons on the Moon is about 130 times larger than the energy in the global inventory of ...

But on the moon, there are also two enormous canyons the same size as ... led to the extinction of the dinosaurs on Earth 66 ...

The moon's Schrödinger impact basin near the south ... of the dinosaurs on Earth 66 million years ago. When this asteroid hit the lunar surface, it threw an enormous amount of rocky debris ...