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

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

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

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

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.

Earlier research held that meteorite impacts from the solar system's early days were a major source of Earth's water.

Meteorite-dial timepieces aren’t just aesthetically pleasing—they also contain the secrets to the origins of life.

For many years, planetary scientists have believed that water-rich meteorites arriving late in Earth's history (OK, the time ...

How did meteorite impacts on the Moon influence water being delivered to Earth when both planetary bodies were forming? This is what a recent study publish | Space ...

A NASA study shows that meteorites delivered only a small amount of water to Earth over the past four billion years.

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 ...