About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

Last year, the most violent geomagnetic storm to strike Earth in over two decades did more than disrupt GPS systems and ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

In the current issue of the journal Science, researchers determine the possible composition of Theia. The impactor’s ...

Researchers have discovered chemical traces of life in rocks older than 3.3 billion years, offering a rare look at Earth’s ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so ...

Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints ...

A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from ...

Asteroid 2025 VP1 is hurtling through space at more than 18,300 miles per hour, the space agency has reported.

Scientists have uncovered a hidden geological process where fragments of continents are slowly stripped from below and swept deep into the oceanic mantle, sparking volcanic activity in unexpected ...