Add Yahoo as a preferred source to see more of our stories on Google. Sometimes science needs to go big. From telescopes spanning the globe to particle accelerators that would take over 24 hours 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 ...

A trio of physicists, two with Coventry University, in the U.K., and the third with Laboratoire National des Champs Magnétiques Intenses, in France, has demonstrated how Earth's magnetic field may be ...

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 ...

A suite of scientific balloons is about to lift off from NASA’s Columbia Scientific Balloon Facility’s field site in Fort Sumner, New Mexico, carrying instruments that will help scientists understand ...

Explore the science of deep earthquakes, from subduction zones to seismic waves. Uncover how these mysterious events ...

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 ...

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(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 ...