Far beneath the waves of the southwest Pacific, scientists have finished charting a landmass so large and so coherent that it now stands beside Africa, Asia and the rest as a full-fledged continent.

New research has dramatically reshaped our understanding of Earth’s early geological history, overturning traditional beliefs about how the planet’s first continents came into being. Researchers from ...

They're in the headlines every week—critical minerals like lithium, cobalt, nickel, graphite and the rare earth elements essential for high-technology and national security applications. Scientists at ...