Newest Earth science mission could extend the accuracy range of weather forecasts, fine-tune flood forecasts.
Thanks to a meteorite collected in 1879, we have finally given a name to the most abundant mineral in Earth. Here's why it took so long to christen this stuff.
New evidence from high-pressure experiments and earthquake waves suggests the presence of water-rich melt at the base of the upper mantle, far deeper than previous estimates.
After a wait of more than 50 years, the Integrated Ocean Drilling Program is ready to return to the site of Project Mohole to try and pierce the Earth's crust again.