The mantle is split up into two domains — the African and the Pacific — that emerged when supercontinent Pangaea broke apart.

The recent surge in warming led to fears that climate change may be accelerating beyond model projections, but a fall in how ...

Four huge asteroids — and a fifth that's much smaller — are passing Earth on Thursday in their closest approaches to the ...

The four members of NASA's SpaceX Crew 8 returned to Earth Friday morning, following an eight-month stay at the International ...

The source of Earth's water is an enduring mystery that extends to exoplanets and the notion of habitability. In broad terms, ...

Four identical satellites spent decades exploring how solar wind interacts with Earth’s magnetic field to create aurorae and other effects.

Three NASA astronauts and a Russian cosmonaut returned to Earth early Friday, Oct. 25, after a nearly eight-month science ...

Watch the moment four astronauts splashed down just off the Florida coast in a return to Earth after a nearly eight-month ...

Early life on Earth may have gotten an unexpected kickstart thanks to a massive meteor that struck the planet.

NASA’s Suni Williams and Butch Wilmore will wait until 2025 to return to Earth aboard their newly assigned spacecraft, SpaceX ...

Mysterious Circumstances After landing back on Earth, a NASA astronaut was taken to the hospital for an unidentified health ...

"Asteroids and comets with a perihelion distance (closest to the Sun) less than 1.3 astronomical units (AU), or approximately 120 million miles, are called near-Earth objects—or NEOs," Svetla ...