There are many lesser-known facts about the planet Earth, but one thing we know for sure is that it's a geoid - a roughly ellipsoidal shape. However, flat-earthers have been trying (and failing) to ...

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 making it ...

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 ...

April brings us Citizen Science Month and Earth Day—that means it’s the perfect time to get outside, explore nature, and even help real scientists with their research! You don’t need to be an expert, ...

The Earth Dynamics Geodetic Explorer (EDGE) is one of two missions NASA selected Feb. 5 for its Earth System Explorer program. Credit: Lanteris Space Systems WASHINGTON — NASA has selected two Earth ...

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 ...

This approach relies on assumptions about how atoms are arranged in Earth’s core and how silicon, oxygen and hydrogen disperse there, Huang said. Their experiments revealed how hydrogen interacted ...

(CNN) — 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 ...