An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

Researchers confirmed the impact origin of the Jinlin crater: a 900-meter-wide remarkably young impact crater preserved on a ...

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

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

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

Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from ...

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

Determining this and proving it was a complete surprise and a breakthrough,” geochemist Liuqing He told Newsweek.