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 ...

Two-time Olympic marathon champion Eliud Kipchoge says he'll run seven marathons on seven continents over the next two years to raise funds for causes he believes in -- even as he continues to race at ...