The oceans are the largest entity on Earth’s surface. All that blue, however, may be dwarfed by an immense reservoir of hydrogen concealed in the planet’s heart. Experiments indicate that enough ...

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 ...

This coverage is made possible through a partnership between Grist and Interlochen Public Radio in northern Michigan. Michigan might be at the forefront of a new clean fuel source — and it’s buried ...

EU to prioritize European manufacturers in public contracts China's large-scale projects threaten development of EU industry Continued EU investment needed to maintain technology leadership BRUSSELS, ...

Earth's core is mostly made of the metals iron and nickel, but it also contains lighter elements like hydrogen, oxygen and silicon. CharlesC via Wikimedia Commons under CC-BY-3.0 How Earth got its ...