
Scientists analyzed 20 Martian samples collected by NASA’s Curiosity Rover and found that differences in hematite crystallite size at varying elevations could serve as a new mineralogical marker for understanding Mars’ ancient climate.

NASA’s Artemis II crew had many technical and operational responsibilities during their historic mission to the Moon, but they also served an important role as scientific ambassadors to Earth’s nearest neighbor. On their 10-day journey, the crew flew by the far side of the Moon, analyzing and photographing geologic features such as impact craters and […]

A new NASA study of its Apollo lunar soils clarifies the Moon’s record of meteorite impacts and timing of water delivery. These findings place upper bounds on how much water meteorites could have supplied later in Earth’s history. Research has previously shown that meteorites may have been a significant source of Earth’s water as they […]