A new analysis has found that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for more than 20 years.

When engineers design roads, bridges, and other types of transportation infrastructure, they need to account for changing weather patterns.

The crippling wintertime droughts that struck California from 2013 to 2015, as well as this year's unusually wet California winter, appear to be associated with the same phenomenon: a distinctive wave pattern that emerges in the upper atmosphere and circles the globe.

The oceans may be storing 13 percent more heat than previously estimated, according to a new study co-authored by scientists at NCAR.

School children go to Greenland and the Maldives to study climate in the latest addition to this illustrated series.