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.

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the early Solar System.

New research suggests Earth’s water came from sources other than meteorites, challenging long-standing theories on planetary ...

Planetary scientists analyzing oxygen isotopes in lunar soil from the Apollo mission sites conclude that meteorite bombardment over 4 billion years could only have delivered a tiny fraction of Earth’s ...

Earth’s deep interior may hold water equal to today’s oceans, challenging long-held views of how the planet became habitable.

Nasa researchers studying Apollo-era lunar soil discovered that meteorites from the Moon provided only a small fraction of ...