Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the journal Science, rock samples from Western Australia hint that the Earth’s crust may have been moving as early as 3.48 billion years ago, roughly one billion years after our planet formed.

Hundreds of millions of years ago, Earth’s magnetic field behaved in a way that has long baffled scientists, showing wild and seemingly chaotic shifts unlike anything seen before or since. A new study suggests this chaos may actually hide a deeper pattern: instead of random fluctuations,

Earth has already exceeded its ability to support the global population sustainably, with new research warning of increasing pressure on food security, climate stability, and human well-being. However,

Blue Origin and NASA are teaming up on a new mission to protect Earth from asteroids, building on NASA's DART success.

American Rare Earths is weighing building a processing facility for hard-to-find heavy rare earth metals at its Halleck Creek mine near Wheatland. It’s

Earth's "gold kitchen" lies deep beneath the seafloor. Island arcs, whose volcanoes form above subduction zones where one oceanic plate sinks beneath another, are often particularly rich in gold. The reasons for this have long been debated.

The Artemis II crew lifted off at 6:35 p.m. ET.