For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and ...

Tectonic pulses beneath Africa are splitting the continent apart to produce a new ocean, according to University of ...

Wildfires don’t just leave behind scorched earth—they leave a toxic legacy in Western rivers that can linger for nearly a decade. A sweeping new study analyzed over 100,000 water samples from more ...

Years after wildfires burn forests and watersheds, the contaminants left behind continue to poison rivers and streams across the Western U.S.—much longer than scientists estimated.