The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

Looking for a sky event this week? Check out our full Sky This Week column. February 21: A ghostly planetary nebula A lovely crescent Moon is visible nearly all evening, setting around local midnight.

Scientists are proposing to build a laser in a crater on the moon to help future lunar missions land safely in the dark and find their way around. This ultra-stable light source could also help us ...

For centuries, astronomers have watched brief, unexplained flashes light up the lunar surface, a phenomenon so persistent and strange that it earned its own scientific label: Transient Lunar Phenomena ...

Betty J. Meggers and Clifford Evans Papers / Series 11: Photographs / 11.11: Clifford Evans and Betty Meggers Funding for the processing of this collection was provided by the Smithsonian ...