As astronauts prepare for south-polar landings, a new look at the Moon’s biggest crater points to a pivotal moment in lunar history—and to the rocks you’ll want sampled next. A study led by Jeffrey ...
International Observe the Moon Night 2025 is upon us! Here's what to look for when the lunar disk rises above the eastern horizon on Oct. 4. Each year NASA teams up with a host of international ...
The South Pole-Aitken impact basin on the far side of the Moon formed in a southward impact (toward the bottom in the image). The basin has a radioactive “KREEP-rich” ejecta blanket on one side of the ...
A team of planetary scientists has developed a promising new way to peer beneath the dusty surface of Mars and other planetary bodies. A new study finds that ejecta blankets -- the layers of rock and ...
Late in 2024, astronomers spotted a new near-Earth asteroid named 2024 YR4. By mid-2025, its improved orbit tracking raised ...