September 21, 2014; 4:57 AM ET
In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around New York City. more >
A thunderstorm this evening
California's iconic trees, the giant sequoias, may sail through the state's current extreme drought. The huge trees survived even drier conditions during their long lives, studies show. The oldest sequoias live for more than 3,000 years.