The federal government on Friday told election officials in 21 states that hackers targeted their systems before last year's presidential election.
State officials are warning people not to eat fish caught in a stretch of a western Pennsylvania river after tests found extremely high levels of a potentially dangerous chemical.
California is tightening the strictest rules in the nation on a pesticide that is popular with farmers over new health concerns, officials said Friday.
Nevada game wardens who spend most of their time hunting down big-game poachers are focusing on a serious threat to nature in a lake: An invasive fish species that eats all the other fish prized by anglers and then turns ...
Arizona transportation officials are moving forward with a first-in-the-nation pilot program that will use thermal camera technology to curb the wrong-way driving problem plaguing the state.
A House subcommittee has approved legislation designed to allow automakers to increase the testing of self-driving cars on U.S. roads.
A female gray wolf, her mate and at least three pups are the second pack of wolves spotted in Northern California since the species went extinct there in 1924, state wildlife officials said Wednesday.
Officials in some states are trying to figure out whether local election offices were targeted in an apparent effort by Russian military intelligence to hack into election software last fall.
More than 40 percent of California has emerged from a punishing drought that covered the whole state a year ago, federal drought-watchers said Thursday, a stunning transformation caused by an unrelenting series of storms ...
California is taking its fight against global warming to the farm.