Satellite imagery captures flipped icebergs in stunning blues and greens, along with a penguin colony's surprising signature.

A vital glacier in western Antarctica appears to be smoking in a rare view captured by a NASA satellite earlier this month. The so-called “sea smoke,” isn’t actually smoke, it’s fog ...

A vital glacier in western Antarctica appears to be smoking in a rare view captured by a NASA satellite earlier this month. The so-called “sea smoke,” isn’t actually smoke, it’s fog – and appears as ...