Materials scientists at the University of California San Diego have performed powerful laser shock experiments on a perovskite mineral to better understand the geophysical processes in Earth's deep ...

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 ...

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 ...

In the early 1990s, a small team tried to survive in a hermetically sealed space containing replicas of Earth's ecosystems. Their trials and discoveries still have repercussions today. Glittering in ...

The US has approved Reflect Orbital's giant mirror satellite to beam sunlight onto Earth, sparking debate over its benefits ...