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

A German skydiver used the Grand Canyon as a backdrop to pull off an “endless skydive,” a maneuver that could theoretically ...

In one of his first secretarial orders, Doug Burgum ordered staff to review public lands with an eye toward opening them to ...

Every plane crash is a tragic loss, but the aviation industry as a whole makes sure to improve after each one.

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

The issue of who rides what at the start of each WorldTour season is sometimes described as a sponsors' merry-go-round.

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

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

The proposed Tusayan development would build a giant mega-resort that threatens groundwater just outside Grand Canyon ...

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