Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists ...

NASA's Lunar Trailblazer probe has made it to Florida's Cape Canaveral to prep for its launch to the moon, which could occur as soon as Feb. 26.

Before Apollo astronauts set foot upon the Moon, much remained unknown about the lunar surface. While most scientists ...

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.

A canyon is a deep, narrow valley with steep sides. Here on Earth, canyons are typically formed by long-term erosion from ...

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

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 ...