Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in ...

Taken from the International Space Station by an astronaut, this is a view of Lake Van off Turkey, the largest soda lake on Earth. This region is prone to major earthquakes because of movement from ...

Less than 30% of the world’s ocean floor has been mapped to modern standards, meaning scientists still have a clearer view of the Space, Moon and Mars than of the seabed that covers most of Earth.

Add Yahoo as a preferred source to see more of our stories on Google. Tharp with an undersea map at her desk. Rolled sonar profiles of the ocean floor are on the shelf behind her. Lamont-Doherty Earth ...

When we look at Earth from space today, we see a pale blue dot—a planet dominated by vast oceans that shimmer under the sunlight. But what if our oceans weren't always blue? According to recent ...

Scientists at Yale and in Singapore have devised what may be the ultimate acid test — a comprehensive model for estimating the origins of Earth’s habitability, based in part on ocean acidity. The new ...

Nearly three fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth’s oceans were once green, in ...