For the first time, an experimental vaccine has prevented infection with the AIDS virus, a watershed event in the deadly epidemic and a surprising result. Recent failures led many scientists to think such a vaccine might never be possible.
The new findings, detailed in the Sept. 25 issue of the journal Science, come in the wake of further evidence of lunar polar water ice by NASA's Lunar Reconnaissance Orbiter and just weeks before the planned lunar impact of NASA's LCROSS satellite.
Capitalisms "unfair system of fault has reached the end of the road and is unable to move," Ahmadinejad, Irans president, said in his highly anticipated speech
As local, state and federal authorities beef up security ahead of the G-20 summit in downtown Pittsburgh, several protest groups are claiming that they've been targeted in an attempt to silence demonstrators.
Libyan leader Muammar Qaddafi, declaring that "we'd be content and happy if Obama can stay president forever," launched into a rambling assault against the United Nations Security Council on Wednesday.
Police acting without the FBI's knowledge may have inadvertently helped blow the surveillance of a terrorism suspect and compromised a bomb plot investigation at a sensitive stage by questioning an imam about him, a criminal complaint suggests.
New satellite information shows that ice sheets in Greenland and western Antarctica continue to shrink faster than scientists thought and in some places are already in runaway melt mode.
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