Red dwarf stars have several virtues that make them potential homes for Earth-like planets, but a new study suggests they also produce the largest solar flares ever seen.
Greenhouse-gas emissions worldwide must be cut to avoid a disappearance of summer sea ice in the Arctic, which is crucial to the polar bear.
Some 'hacktivists' use malicious software to capture and control unwitting computer 'zombies,' but WikiLeaks avenger 'Anonymous' is using social media to mobilize hordes of volunteers.
The borderless digital militia 'Anonymous' has taken down corporate websites to defend WikiLeaks. In so doing, say Internet security experts, it has become a new force to be reckoned with.
Amanda Knox is appealing her murder conviction by an Italian court. The parents of Amanda Knox hope defense attorneys can poke holes in the prosecution's theory of motive.
Linda McMahon, the former CEO of World Wrestling Entertainment who presented herself as a shrewd businesswoman, was beaten for the US Senate seat by Connecticut Attorney General Richard Blumenthal.
Distributing house-and-garden microplots as part of flood recovery would help Pakistan's landless poor build better lives for themselves, and fend off Taliban recruiters who prey on their grievances.
Former Alaska Gov. Sarah Palin (c.) speaks to supporters at a Republican National Committee rally in Orlando, Fla., on Oct. 23.
A child runs between political signs before the start of a campaign rally with Democratic incumbent Maryland Gov. Martin O'Malley and former President Bill Clinton, Oct. 21, in Baltimore.