European astronomers have found 32 new planets outside our solar system, adding evidence to the theory that the universe has many places where life could develop.
Scientists using the European Southern Observatory telescope didn't find any planets quite the size of Earth or any that seemed habitable or even unusual. But their announcement increased the number of planets discovered outside the solar system to more than 400. Six of the newly found planets are several times bigger than Earth, increasing the population of so-called super-Earths by more than 30 percent.
The Obama administration will not seek to arrest medical marijuana users and suppliers as long as they conform to state laws, under new policy guidelines to be sent to federal prosecutors Monday.
The world has less than five years to get carbon emissions under control or runaway climate change will become inevitable, the World Wildlife Fund (WWF) has warned.
It's a tough slog, the hundreds of pages of the UN-sponsored report on allegations of war crimes in Gaza. The material is infuriating at times, the content inconsistent, the methodology slapdash. But for anyone who cares about the future of this place, and for anyone who has paid close attention to the hyperbole and factual errors of Israeli leaders in condemning it, the read is more than worthwhile - if only for the key element of its surprise ending: A marked degree of fairness.
As the housing market collapsed in late 2007, Moody's Investors Service, whose investment ratings were widely trusted, responded by purging analysts and executives who warned of trouble and promoting those who helped Wall Street plunge the country into its worst financial crisis since the Great Depression.
The Army made critical mistakes in tests of a new body armor design, according to congressional investigators who recommend an independent review of the trials before the gear is issued to troops in Iraq and Afghanistan.
The first results from Nasa's Interstellar Boundary Explorer (Ibex) spacecraft have shown unexpected features at our Solar System's edge.
In May 2006, medical regulators in Denmark issued a warning that signaled trouble for General Electric. Danish researchers noted that, over a four-year period, 25 patients in Denmark and Austria had suffered a rare and crippling disease after undergoing an MRI, the scanning procedure used to diagnose everything from brain tumors to blown knees. The patients had been injected with a GE dye that makes images more distinct. They all had weak kidneys before receiving the dye. 
Israel's foreign minister has ordered Turkey's ambassador to be summoned over a Turkish TV series that portrays Israeli soldiers killing children.
