Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

That would have enabled more of this organic carbon—and carbonate accumulating in shallow water around Columbia—to be ...

Ancient rocks on the Greek island of Crete reveal a 130-million-year tectonic journey, tracing deep subduction, and slow ...

The Nankai Trough just off southern Japan poses a severe seismic threat, with locked plates accumulating enormous stress. A ...

Off the southern coast of Japan, the Philippine Sea Plate lies underneath the Japanese mainland. The locked tectonic plates threaten to unleash a catastrophic megathrust earthquake, likely within the ...

From 1811 to 1812, quakes in the central U.S. rang church bells in Boston and caused the Mississippi to flow backward.

A magnitude-5.7 quake off Oregon led a cluster of tremors that renewed attention on one of North America's most dangerous ...

A University of Alabama doctoral student used machine learning to find rare, deep earthquakes beneath Antarctica that defy ...

The latest news and information from Costa Rica including breaking news, weather, travel, events, sports and more.

More evidence is pointing toward a tear in a massive tectonic plate.

Scientists discovered how Earth recycles continents deep underground, shaping the unusual rocks found in ancient mountain ...

The hadal zone takes its name from Hades, the Greek god of the underworld, and for good reason. Stretching from roughly 4.7 ...