Earth into a frozen world of silence and ice. During the Huronian Period, the planet became a snowball adrift in space — a global freeze that nearly wiped out early life before the world thawed again.

As winters grow milder, gray tree frogs still follow fixed daylight cues, burning energy for a freeze that may never arrive.

For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into ...

Mars is building on the success of Skittles Pop'd with its latest innovation, while Ortega mixes up taco night with Cheez It.

A group of metal detectorists recently went on an epic summerlong adventure in the European countryside – and discovered a jackpot of ancient riches. Based in the central Polish city of Kalisz, the ...