In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

New research reveals the source of this carbon – and the driving forces behind it – are far more complex than previously thought.

Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...

In 2024 we emitted more greenhouse gases into our atmosphere in a single year than any year before it. The increase from 2023 was small—0.8 percent—but still, global emissions continue to rise, ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

Early Earth was a barren wasteland incapable of supporting life until a big protoplanet crash carried in the necessary ingredients, a new study suggests. That collision of the proto-Earth and a ...

NASA is tracking two house-sized asteroids as they get closer and closer to Earth. One asteroid, named "2025 VW," is predicted to make its closest approach at about 1.29 million miles from the planet.

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...