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

Read more about the Lunar Orbiter configuration and the progress of the program on page 42. Read the full issue dated February 1, 1965. Enjoy unlimited access to the complete Aviation Week Archive ...

Insights from NASA’s Lunar Reconnaissance Orbiter have uncovered that gigantic canyons were carved in mere minutes by floods ...

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