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 ...

(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 ...

On December 13, a rocket rose from the Jiuquan Satellite Launch Center in northwestern China carrying an unusual passenger: a ...

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research that is transforming life on Earth and shaping the future of exploration.

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Earth’s core is pretty dynamic. Its spin speeds up and slows ...

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, ...

Science is a subject built on doing. Students learn chemistry through titrations, biology through dissections, physics ...