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

For many years, planetary scientists have believed that water-rich meteorites arriving late in Earth's history (OK, the time might be late to the researchers, but it's still 4 billion years ago) could ...

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

NASA scientists are turning to the Moon to solve one of Earth’s oldest mysteries: where our water came from. A new study led by the US space agency uses Moon soil collected during the ...

Planetary scientists analyzing oxygen isotopes in lunar soil from the Apollo mission sites conclude that meteorite ...

For centuries, people have wondered where Earth’s vast oceans came from. Our planet didn’t form with much water, yet today it’s covered in it. New research using powerful radio telescopes is bringing ...

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.

Ancient Moon dust, meteorite traces and Apollo samples are helping NASA scientists rethink where Earth’s water truly came ...

A comet named “Devil” has revealed an important clue about the origin of water on Earth. Researchers recently discovered that water on Comet 12P/Pons-Brooks, a rare galactic phenomenon known for its ...

A new NASA study using Apollo lunar soil samples challenges a long-held theory. It suggests meteorites were not the primary ...

Research using Apollo samples indicates late meteorite impacts were unlikely to be the main source of Earth’s water.