This mission follows NASA’s Psyche spacecraft on its journey to a rare metal-rich asteroid, believed to be the exposed core ...

In Earth's early days, it was slammed by protoplanet Theia. This left our world spinning on a tilted axis. But what if the ...

A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from the Max Planck Institute suggest that doomed planet was likely a rowdy ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

Did you know that there are actually two different sets of seasons, and thus two different winters, every year?

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Bennu is believed to have originated from the shards of a much larger world. Curiously, asteroid Ryugu, sampled by the ...

Proto-Earth is the term used to describe the earliest days of our planet, the body from which our pale blue dot evolved. At this stage of its geological evolution, it likely existed only for a ...

The giant protoplanet Theia, which collided with Earth 4.5 billion years ago, originated from the inner solar system and likely formed closer to the sun than Earth. This was discovered by a research ...

Because of Earth’s weathering climate and shifting tectonics, impact craters regularly disappear from the Earth’s geologic record. Scientists in China found an impact crater that formed during the ...