Geochemical reactions from thawing permafrost are leaching toxic metals into rivers throughout the Brooks Range in northern ...

New reconstructions of 540 million years of climate history show the planet tumbling between icehouse and hothouse states, revealing how rare and vulnerable our temperate moment is.

“Calling all hunters! We will gratefully accept carcasses for zoo carnivores,” the zoo announced recently via social media. "While all zoo animals are fed a daily balanced diet that we provide for ...