A happily married father of two, shaken by a message written in a birthday card for his daughter, abruptly leaves his family ...

A canyon is a deep, narrow valley with steep sides. Here on Earth, canyons are typically formed by long-term erosion from rivers or tectonic activity. But on the moon, where there’s no ...

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.

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

Two gorges on the Moon that are deeper than the Grand Canyon were carved out in less than 10 minutes by space rocks travelling at the speed of a bullet, astronomers have revealed.

Two immense canyons on the moon's far side that rival Earth's Grand Canyon were produced by a cataclysmic collision nearly four billion years ago, according to new research published on Tuesday.

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 ...

About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research.

Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

Scientists say America is no longer the only place with a Grand Canyon as NASA spots two enormous chasms carved into the lunar surface.