Zircons are used to date the Earth’s oldest rocks now, Jack Hills at 4.375 billion years old so this new model for the magma ocean of the Moon and Theia time of impact and origin of the Moon ...

Beneath the ice-encrusted surface of Saturn's moon Enceladus churns a massive ocean. New research using seven years' worth of data from NASA's Cassini mission has determined that a suspected ...

CAPE CANAVERAL, Fla. — Astronomers have found the best evidence yet of a vast, young ocean beneath the icy exterior of Saturn’s Death Star lookalike mini moon. The French-led team analyzed ...

The ocean is believed to fill half of Mimas’ volume, according to Lainey. Yet it represents only 1.2% to 1.4% of Earth’s oceans given the moon’s petite size.