Federal agency flags safety shortcomings that ‘exposed’ workers to explosion at US Steel plant

HARRISBURG, Pa. (AP) — A federal safety agency investigating an August blast at a U.S. Steel plant near Pittsburgh that left ...
Smithsonian Magazine

Earth’s Core Might Hold Dozens of Oceans Worth of Hydrogen, Hinting at the Origins of the Planet’s Vast Water Supply

Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...