Ancient fossils show how much warming tropical oceans can handle before plankton collapse, offering clues about future ...

Scientists discover a massive hidden ocean 400 miles down. This 6th ocean reservoir may hold 3x more water than the surface.

More than 71% of Earth is covered by oceans, but about 95% of them remain unexplored. Only about 20% of the seafloor has been ...

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's ...

Add Yahoo as a preferred source to see more of our stories on Google. New research suggests Earth’s core may store up to 45 oceans’ worth of hydrogen, reshaping theories of water’s origin. (CREDIT: ...

As of 2026, more than 80% of the world’s oceans are still unmapped and unexplored. We know more about the face of the moon ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

With an estimated 6 sextillion kilograms of the stuff—that’s 21 zeroes by the way—the Earth’s core is another example of why hydrogen is the most abundant element in the universe.

While many theories have suggested that comets and asteroids brought water to Earth after its formation, a new study proposes a bold alternative: Earth’s core might be storing the equivalent of 45 ...

The UN Environment Programme (UNEP) has opened nominations for the 2026 Champions of the Earth award – the UN’s highest ...

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.