Ancient DNA reveals that cave lions were a distinct evolutionary lineage that split from modern lions more than a million ...

A microscopic animal frozen in Siberian permafrost for 24,000 years has been brought back to life, marking a breakthrough in our understanding of survival under extreme conditions, according to a ...

What's lurking in your freezer: a lasagna or deep-frozen pizza? Conservationists rely on freezers too—but they run much cooler than your model, with the thermostat set to a frosty -196°C, the ...

TO NEIGHBORING STATES, FIRST YEAR TEACHERS ARE STILL LEAVING. FROZEN PONDS AND LAKES ARE DRAWING PEOPLE ACROSS THE COUNTRY ONTO THIN ICE, OFTEN TO HELP ANIMALS IN DISTRESS. AND THAT WAS THE CASE IN ...