Two long-delayed Starliner astronauts, Barry "Butch" Wilmore and Sunita Williams, returned to Earth aboard a SpaceX Crew Dragon capsule Tuesday, finally closing out a repeatedly extended 286-day ...

We may earn commission if you buy from a link. Why Trust Us? All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on ...

The compound joins a short list of materials that incorporate the normally unreactive element and suggests that helium from the early solar system could be stored in the iron that makes up Earth ...

As the name suggests, meteorite iron is obtained from meteorites that struck the Earth over eons, while smelted iron is extracted from iron ores found inside rocks and other places on the planet.

The movement of atoms in the liquid outer core generate the Earth's magnetic field and the planet's broad habitability. But while the center of our planet has long been thought to be a solid iron ...