Bedmap3 is the most fine-grain map to date of the landscape beneath Antarctica's ice. Scientists created it using more than 60 years' worth of data from satellites, ships and dog-drawn sleds.

For years, the BAS has been studying the bedrock beneath Antarctica's thick ice using advanced radar, sound waves, and gravity mapping techniques.

Antarctica was once a lush and thriving land, teeming with prehistoric life. It's hard to believe now, but tucked away, hidden underneath a layer of ice kilometers thick, that ancient landscape still ...