One theory held that the earth’s crust under the sea was and is formed at mid-ocean ridges from a single magma layer spread around the middle of the earth’s crust That’s now changed to the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. New model suggests an ocean of magma formed within the first few hundred million years of Earth's ...

Earth held a deep ocean of magma beneath its surface in its early history, new research finds, potentially explaining odd anomalies seen in the mantle today. This basal magma ocean has been hotly ...

This basal magma ocean has been hotly debated for years. Some geochemical evidence indicates that in the first few hundred million years of the planet's existence, a persistent sea of melt formed at ...