Scientists uncover hidden land under Iceland, questioning our understanding of Earth's continents and tectonic plates.

Hubbard, who first joined the USGS as a postdoc, is part of the agency’s Earth Mapping Resource Initiative (Earth MRI).

Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

Africa is dividing in two, and a new landmass and ocean may form sooner than expected. The change could alter the climate and ...

Upheaval Dome is a giant rock formation in southeastern Utah with two potential origin stories, although most scientists think it was created by an ancient meteor strike.

Mars has long been known for its dusty red dunes, towering volcanoes, and deep canyons, but recent high-resolution images from NASA’s Mars Reconnaissance Orbiter (MRO) have revealed something far more ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.