Climate & Weather

These electric-blue night clouds are expanding around the globe, says NASA

10 not-too-cold wintertime destinations

Scientists unmask the toxic villain behind London's 'killer fog'

Mysterious 'earthquake lights' captured over New Zealand

Why is this beach covered in giant snowballs?

How much Arctic sea ice did you melt today?

8 of the coldest places in the world to live

Bizarre clouds over Bermuda Triangle may finally solve longtime mystery

At Glacier Bay, witness a national park emerge from an ice age

What do you know about fall?

Eagle rescued from car grille after hurricane