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 ...

Earth is often described as a water world, but how that water arrived has never been settled. For years, the focus has rested ...

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

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

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

A close-up view of a portion of a "relatively fresh" crater, looking southeast, as photographed during the third Apollo 15 lunar surface ...

Not all heavy, rust-colored “gold rocks” are from Earth. In the historic goldfields of southeastern Australia, a prospector ...

For the Moon itself, the story is different. The Moon has far less water than Earth, but for such a dry world it’s important.

Some 680 people were recognised with awards in the general division of the Order of Australia as part of the annual Australia Day honours list.

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 ...

A new NASA study of its Apollo lunar soils clarifies the Moon’s record of meteorite impacts and timing of water delivery.

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