The far side of the Moon has long been a blank space in humanity’s geological record, but China has just filled in a crucial page. By bringing back pristine material from a hidden lunar basin, its ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

American geologist and astronaut Harrison Hagan Schmitt takes rock samples from the surface of the moon during America's last lunar landing mission of the 20th century, Apollo 17, December 1972.