Earth’s internal structure continues to reveal details that reshape established scientific explanations about the planet’s ...

Where do Earth's oceans come from? The debate on whether water may have been originally delivered to our planet by comets striking its surface has reopened after a new groundbreaking study. Published ...

Meteor impacts may have helped spark life on Earth, creating hot, chemical-rich environments where the first living cells ...

A groundbreaking scientific revelation suggests Earth might have a hidden sixth ocean, situated deep within the planet rather than on its surface. This vast reservoir, trapped in underground minerals, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists used a new technique to estimate the abundance of hydrogen in Earth’s core. - Tumeggy/Science Photo Library RF/Getty ...

Cycles in the growth and decay of Antarctica's ice sheets once shaped marine biological productivity thousands of miles away ...

LONDON — Picture all of Earth's oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth's core, possibly ...

Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved ...

The deep blue sea may not have always been so blue. A new study suggests that the Earth's oceans may have changed color over time and could change again in the future, depending on the chemical makeup ...

We've always called Earth the blue planet, but that color might not be permanent. Previous research claims our oceans were once green, and if environmental conditions shift dramatically, a new study ...

Scientists used a new technique to estimate the abundance of hydrogen in Earth’s core. - Tumeggy/Science Photo Library RF/Getty Images Picture all of Earth’s oceans, which cover about 70% of the ...