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 ...

Ice cores, tree rings, and satellite data converge on a striking truth: Earth’s rapid changes today are unlike anything seen in human history. When most people hear the term Earth science, they think ...

CARBONDALE — This year’s observance of Earth Science Week at Southern Illinois University Carbondale will focus on meeting energy needs in a sustainable way on campus, in the region and beyond, along ...

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 ...