Dangerous winter weather trapped drivers on icy roads, knocked out power to hundreds of thousands and grounded multiple flights from California through the northern Plains on Thursday.

On a frigid morning in late January, biologists set out in a helicopter to begin the annual Mexican wolf population count with hopes of finding at least one more wolf than last year. Their painstaking work helps identify the number of wolves in Arizona and New Mexico and is vital to the Mexican Wolf Recovery Program that began 25 years ago when the animals were nearly extinct. 

The leader of a small polygamous group near the Arizona-Utah border had taken at least 20 wives, most of them minors, and punished followers who did not treat him as a prophet, newly filed federal court documents allege.

OLYMPIA, Wash. - In a decision that could give momentum to other efforts to expand voting to inmates, a federal appeals court ruled that incarcerated felons should be allowed to vote in Washington state. There's a patchwork of laws across the nation concerning restoration of felons' voting rights, but only Maine and Vermont allow those behind bars to cast ballots.