"We need an orbiter that can make close passes of Ariel, map its medial grooves in detail ... offering an unprecedented look into the moon's past and possibly even its present.

Ariel, Uranus’s fourth largest moon, is thought to be made of equal parts rock and ice. A new computer model developed at the University of Texas Institute for Geophysics could be used to detect ...

As the Apollo program closed in on its goal, cartographers relied on photos from 1966 and 1967 orbiter missions to create the February 1969 hand-­painted map—considered the best reference at ...

Astronomers are excited to be poring over the first ever detailed geological map of the moon’s south polar region, where India’s Chandrayaan-3 lunar module, Vikram, touched down on August 23 ...

The Lunar Thermal Mapper, or LTM, will map and measure the lunar surface temperature. The High-resolution Volatiles and Minerals Moon Mapper, or HVM3, will look at the moon's surface for a ...