The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.

Butch Wilmore and Suni Williams recently told CNN they want to "change the rhetoric" about the two astronauts being "stuck in space." ...

But the mission will also bring something that’s never been installed on the moon or anywhere else in space before—a fully ...

"I weighed 363 pounds with all my equipment, but up on the Moon, just 60 pounds — so you could really spring up!” ...

Charlie Duke was honored during Admiral Farragut Academy's alumni weekend 72 years after graduating.

The Apollo spaceflight program lasted from 1961 to 1972. Apollo 11 was Neil Armstrong's famous first step. Apollo 17 was the ...

On our team’s last day at Kilbourne Hole, we were joined by retired astronaut Harrison “Jack” Schmitt, the lunar module pilot for Apollo 17. He is the only professional geologist to have walked on the ...

NASA astronaut Don Pettit shared a mesmerizing photograph of the Burj Khalifa, the world's tallest building, taken from the International Space Station. Pettit's remarkable space photography ...

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.

Astronauts spend months living in space, where they eat, sleep, work, exercise, and even play games. This raises a simple yet intriguing question: do they wash their clothes? Until a few years ago, ...

Chinese astronauts generate oxygen & fuel using artificial photosynthes New method for space missions consumes less energy than electrolysis Technology could support China's lunar base by 2035 with ...