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

Roughly 234 million years ago, Earth’s continents were fused into one massive landmass, and life as we know it was on the ...

Discover why a quarter of Earth’s geological history seems to have vanished.

Earth froze over 717 million years ago. Ice crept down from the poles to the equator, and the dark subglacial seas suffocated ...

Neytiri's mission to rescue Jake reminds viewers of their love story - and previews the franchise's trip to Earth in Avatar 5.

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with exactly the right amount of oxygen in its mix.

DC Comics revolutionized the multiverse in superhero comics and gave readers some of the best alternate universe counterparts ...

A stronomers are getting prepared for the chance to see "the most energetic lunar impact event ever recorded in human history", which will take place in 2032, with a little luck.

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

The 21-year-old phenom was the heavy favorite to win individual gold in Milan. What followed left the figure skating world in complete shock.