An immense pocket of hot rock deep beneath the Appalachians may be a wandering relic of the breakup between Greenland and ...

Two mysterious blobs deep inside Earth may hold clues about the origin of life on our planet, new research finds. Deep ...

A vast, mostly submerged landmass in the South Pacific, Zealandia, is now recognized as Earth's eighth continent. Recent ...

Something vast is lurking beneath our feet—so immense and anomalous that scientists are rethinking what qualifies as the ...