Where did our unique moon come from? It turns out that lunar rocks brought back by Apollo astronauts are a clue, pointing to the origin of our closest cosmic companion, an origin even stranger than you might imagine

Fifty years ago, we sent the first astronauts to walk on the moon’s face. But what they brought back is just as important as what got them there. I’m talking about moon rocks, guys. And I got to go visit NASA’s lunar sample vault to...

The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What's responsible for this special...

Learn about how the Moon formed in this conversation with Robin Canup of the Southwest Research Institute.

Despite being less than 400,000km away, there is a surprising amount that we don't know about the moon. What's at its core? How did it get there? Could it one day support life? Alltime 10s investigates.

Ryan Zeigler, a planetary scientist and the lunar sample curator, talks about the moon rocks brought to Earth during Apollo, the facilities that keep them, and what were still learning from them. HWHAP Episode 48.

Earth and Mars were likely generated by regular collisions between giant Moon-to-Mars-size rocks, rather than tiny pebbles clumping together.

Scientists say they’ve discovered differences between Earth rocks and moon rocks that support the theory that Earth was struck by another planet to form the moon.