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 ...

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.

How Earth got its water may trace back to its original building blocks. Apollo Moon soil shows meteorites added only a small ...

New research suggests another connection, one between these two asteroids and a possible Venusian meteor shower. If this is ...

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

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 ...

A massive meteor struck near Manson, Iowa, 74 million years ago, creating the U.S.'s largest impact crater and reshaping the ...

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

Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

Peter Aleshire’s article about Meteor Crater, published in the Jan. 16 Independent, combined in my mind with an article I wrote that was published on Nov. 22, 2024 about the ...

A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth’s history could have delivered ...