NASA research using Apollo lunar regolith data refines the Moon’s impact record and places limits on meteorite contributions to Earth’s water over geologic time.

NASA’s latest Mars findings have pushed the search for ancient life from speculation into a disciplined, data-rich debate about what once happened in the planet’s vanished lakes and rivers. The ...

NASA’s Parker Solar Probe has recently delivered groundbreaking discoveries, capturing images and data that bring us closer than ever to understanding the Sun’s elusive behavior. Published in ...

The European Space Agency’s Mars Express orbiter captured this view of Mars’ south polar ice cap Feb. 25, 2015. Three years later, the spacecraft detected a signal from the area to the right of the ...