Travel expert Sean Thomas explores the myriad offerings of Colorado, between 4,300m rides across the Rocky Mountains and the ...

Learning how pronghorn survived the climate changes that ended the ice ages anddrove so many other large mammals to extinction can help us adapt to our ownchanging climate.

Scientists have devised the most detailed map to date of the terrain hidden below the vast ice sheet blanketing Antarctica, ...

Scientists believe the map could shed light on how Antarctica's vast ice sheet will respond to climate change.