Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that ...

An unusual heat wave is pushing temperatures in San Francisco into the 80s this week, and Los Angeles hit 98 on Tuesday.

New Yorkers should prepare for one last noticeable chill from the polar vortex before spring takes hold, with below-average ...

Scientists spent the first weeks of the year on an expedition to Antarctica to study Thwaites Glacier, which is melting at an ...