If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

A powerful winter storm swept across the central and eastern United States, knocking out power and snarling travel during one of the busiest stretches of the holiday season.

The next atmospheric river fueled-storm arrives in California late Friday into Saturday. Two more systems could then crash into the coast, one on Sunday and then another Monday into Tuesday. Localized ...

From Santa’s reindeer and the Hanukkah armadillo to some very festive sea worms, our changing world is changing life for creatures great and small.

In recent years, a major ocean current changed its path in two crucial ways. Now parts of the sea are rising, other parts are falling, ocean temperatures are breaking records — and Japan’s iconic ...

The Trump administration announced plans Tuesday to shut down the National Center for Atmospheric Research, an organization responsible for improved weather models to tools that aid hurricane safety.

CNN’s Bill Weir reports from the ruins of Camp Mystic in Texas, where deadly floods have claimed at least 27 lives. Weir explains how climate change is making flooding more extreme and common.

A winter storm dumped heavy snow and treacherous ice onto parts of the Great Lakes and Northeast Friday evening into Saturday morning, snarling travel and knocking out power in parts of the region.

The historic “land between two rivers” faces a crisis as the Tigris and Euphrates shrink dramatically amid severe drought and the increasing toll of upstream dams, helping create the country’s worst ...

Ricardo Teixeira has spent the past few weeks freshening up Love Lomas, the “love motel” he owns in the Brazilian port city of Belém. He’s also mulling how to tone down some of the rooms’ more sensual ...