(AP) -- For now, Ashton Kutcher is the king of Twitter. But there is a new challenger - Oprah.
(AP) -- U.S. Interior Secretary Ken Salazar says he will make a decision in the coming weeks on whether to overturn a controversial Bush administration regulation that limits the reach of the Endangered Species Act.
(AP) -- A second try is about to get under way at sending a little yellow submarine gliding across the Atlantic Ocean to collect scientific data from beneath the waves.
(AP) -- Wearing bandanas and waving Jolly Roger flags, hundreds of supporters of file-sharing hub The Pirate Bay demonstrated on Saturday against a Swedish court's conviction of the Internet site's organizers.
(AP) -- A westward dash to power electricity-hungry cities by cashing in on the desert's most abundant resource - sunshine - is clashing with efforts to protect the tiny pupfish and desert tortoise and stinginess over the ...
(AP) -- The last time Congress passed major environmental laws, acid rain was destroying lakes and forests, polluted rivers were on fire and smog was choking people in some cities.
(AP) -- Federal wildlife officials say they plan to spend more than $14 million to prevent the extinction of the Hawaiian crow, one of the rarest forest birds in the world.
(AP) -- Countries with interests in Antarctica have endorsed U.S.-proposed mandatory limits on Antarctic tourism that aim to protect the continent's fragile environment, officials said Friday.
(AP) -- U.S. Energy Secretary Steven Chu is warning that if countries don't do something about climate change, "some island states will simply disappear."
(AP) -- Three patients exposed to contaminated medical equipment at Veterans Affairs hospitals have tested positive for HIV, the agency said Friday.