The seafloor is far thinner than the bulky landmass, and temperature from within Earth is “quenched” by the enormous volume ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and ...

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

Earth's inner core, a hot iron ball the size of Pluto, has stopped spinning in the same direction as the rest of the planet and might even be rotating the other way, research suggested on Monday.

University of Alberta geochemists have discovered a missing piece to one of the great mysteries of science—the origin of life ...