On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic ...

Two immense canyons on the moon's far side that rival Earth's Grand Canyon were produced by a cataclysmic collision nearly ...

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power of the Colorado River. Close to the moon's south pole are two canyons ...

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

Asteroid Impact on Moon Blasted Two Grand Canyons in 10 Minutes By Will Dunham WASHINGTON (Reuters) - The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago.

CAPE CANAVERAL, Fla. — 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. That’s good news for ...

Asteroid impact created two Grand Canyon-sized lunar canyons in under 10 minutes. The impact released energy 130 times that of current global nuclear arsenals.

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 far side. That's good news for NASA, which is looking to land ...

CAPE CANAVERAL, Fla. (AP) — 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.

New research shows that when an asteroid slammed into the moon billions of years ago, ... digging out two canyons comparable in size to Arizona’s Grand Canyon in barely 10 minutes. The latter, ...

How an ancient asteroid strike carved out 2 grand canyons on the moon. That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this decade ...