Trees dating back almost 6000 years have come to scientists' attention due to ice melting in the Rocky mountains, offering a ...

Buck MacKenzie is set to die in 1778. At least, that's what the family tree says. When exactly was he born in Outlander, ...

Scientists in Antarctica have dug out ice that can be from as far back as 1.2 million years. NPR's Ayesha Rascoe talks to ...