Would you travel four days to go to Antarctica? No? I did. Two days to get there and two to get back, but in between were ...

Would you travel four days to go to Antarctica? No? I did. Two days to get there and two to get back, but in between were ...

Antarctic sea ice began to change rapidly in 2015 and 2016. Since then it has remained well below the long-term average.

A top climate scientist says we may have crossed a dangerous tipping point in Antarctica—and the long-term fallout could be ...