The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North America's "broken heart," it is filled with solidified magma and lava.

Fram2's orbit flew Dragon on a north-to-south trajectory in low Earth orbit at an altitude of about 271 miles (437 kilometers ...

A Soviet-era spacecraft meant to land on Venus a half century ago is expected to plunge uncontrolled back to Earth within ...

In photos The details in this photograph include the airglow of the atmosphere dividing Earth from space — yellow-green at an altitude of 75 miles and a faint reddish hue 250 miles above the ...

As you read this, the North American continent’s underside is dribbling away into Earth’s molten mantle. And according to researchers at the University of Texas at Austin, this may be the first time ...

According to a new study published in Nature Geoscience, pieces of North America’s oldest and most stable rock are dripping into the Earth’s mantle. Yes, you read that right—North America is ...

On April 27, the moon blocked 23 percent of the sun in a partial eclipse, but it was not possible to see this from Earth.

Building on a larger project by Junlin Hua, lead author on the new study, the team created a full-waveform seismic tomographic model for North America. This computer model utilized seismic data ...

Most of the Farallon plate was eventually shoved beneath North America. Its remnants linger in the lower mantle, some 800 kilometers below Earth’s surface, and indeed showed up in the cross ...

previously told the Earth Observatory. The amount of pollen reaching the world's oceans is also likely increasing as a result of human-caused climate change: A 2021 study in North America revealed ...

The Biomass mission will use a long-forbidden part of the radio spectrum to see how much carbon forests capture.