MISSOULA, Mont. (AP) -- A federal judge has ruled that the U.S. Fish and Wildlife Service arbitrarily excluded "critical habitat" that could be occupied by the elusive Canada lynx....

CAYCE, S.C. (AP) -- SCANA Corp. said Thursday that its second-quarter profit edged lower due in part to higher property taxes, interest and operating and maintenance expenses....

WASHINGTON (AP) -- Challenging civil rights organizations and teachers' unions that have criticized his education policies, President Barack Obama said Thursday that minority students have the most to gain from overhauling the nation's schools....

WASHINGTON (AP) -- Scientists from around the world are providing even more evidence of global warming, one day after President Barack Obama renewed his call for climate legislation....

WASHINGTON (AP) -- Despite their tiny size, plant plankton found in the world's oceans are crucial to much of life on Earth. They are the foundation of the bountiful marine food web, produce half the world's oxygen and suck up harmful carbon dioxide....

RICHMOND, Va. (AP) -- A team of scientists will launch an expedition to the Titanic next month to assess the deteriorating condition of the world's most famous shipwreck and create a detailed three-dimensional map that will "virtually raise the Titanic" for the public....

MOSCOW (AP) -- Two Russian cosmonauts on Tuesday completed a nearly 7-hour-long spacewalk to replace a video camera and improve cable connections to the orbiting laboratory's newest module....

PARIS (AP) -- Scientists behind the European particle collider aimed at uncovering the secrets of the universe pushed Monday to build an even bigger machine - with money and partners from around the world....

SYDNEY (AP) -- A sailboat largely constructed from 12,500 recycled plastic bottles has completed a 4-month journey across the Pacific Ocean meant to raise awareness about the perils of plastic waste....

LENOX, Mass. (AP) -- Once a dumping ground for chemicals, a stretch of the Housatonic River that winds near this Berkshires hamlet is being scoured in a lengthy, expensive cleanup. Now, dredging other parts of the riverbed is under consideration, but the fishers, bird watchers and swimmers who would benefit are wondering how much effort is too much....