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

A newly discovered asteroid has a tiny chance of smacking Earth in 2032, space agency officials said Wednesday. Scientists ...

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

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

About the canyons: The two canyons, called Vallis Schrödinger and Vallis Planck, are located on the far side of the moon, so they can only be seen from orbit — not from Earth. Each canyon is over 165 ...

They were dug out by debris sent violently aloft when an asteroid or comet struck the lunar surface 3.8 billion years ago.

This discovery is promising for scientists and NASA, which plans to land astronauts at the south pole on the near side of the ...

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

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.