Russia and China declared that rapidly advancing technology made it increasingly urgent to start international talks on banning all weaponry from outer space to prevent an arms race.
The U.S. Energy Department announced an overhaul of its program to retrieve weapons-grade uranium from foreign research reactors after an internal audit warned that much of the material was "out of U.S. control" and could be stolen by terrorists.
A new study that great extinction at the end of the Permian epoch, where at least 90 percent of the planet's plant and animal species were wiped out, could have been caused by a dramatic increase in methane in the atmosphere. The authors caution that current plans for mining methane hydrates from the ocean could release catastrophic levels of methane.
The author, chief executive of a biotechnology trade organization, argues against proposed regulations for the development and release of genetically engineered fish.
A focus on the Predator, the unmanned aerial vehicle (UAV) that is in heavy use over Afghanistan. Although primarily used for reconaissance, the remotely operated aircraft also have the ability to fire laser guided hellfire missiles at ground targets.
Robotic surveillance aircraft flying into Kosovo, Macedonia and other Balkan hot spots have stirred concerns in Europe about the hazards posed by such military drones in civilian-controlled airspace. Known as UAVs, or unmanned aerial vehicles, the planes sent into war zones by NATO forces have caused a number of "serious air traffic problems" in adjacent civilian airspace said Philip Butterworth-Hayes of Jane's Airport Review, a London-based periodical.
An interview with the legendary Vernor Vinge. He explains the basics of his singularity theory to a lay audience and even admits that he is skeptical that it will come about in the near future.