One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial ...

Today, oceans cover about 70% of Earth’s surface. This stark contrast has long driven scientific interest in how water ...

The interstellar comet 3I/ATLAS is reportedly scheduled to make its closest approach to Earth in the early hours on Friday, ...

Earth's deep mantle stored enough water in rocks to equal one ocean during our planet's early molten days, helping explain ...

Interstellar comet 3I/ATLAS is now emitting a distinct green glow as it nears Earth, a transformation attributed to the ...

The new dataset, published in Earth System Science Data by 16 scientists, shows a significantly cooler Earth from the late ...

Compared to other meteor showers, it's more subdued, but experts say it's still worth a glimpse. Meteor showers happen when ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth early on Friday, Dec. 19. While it won't come close ...

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...