At the end of September, cold air at high altitudes above Antarctica had soared to more than 60 degrees above normal. It is a phenomenon known as "sudden stratospheric warming," and even though they ...

GENEVA — The U.N. weather agency said Friday that an Argentine research base on the northern tip of Antarctica is reporting a temperature that, if confirmed, could be a record high for the icy ...

Antarctica is breaking apart in two very different directions. While West Antarctica hemorrhages ice into warming seas at an alarming rate, East Antarctica has been doing something unexpected: gaining ...