Astronomers took advantage of the sharpness and versatility of Hubble's Wide Field Camera 3 to search for supernovae in near-infrared light and verify their distance with spectroscopy.
South Korea will strike back if the North stages any attack on its territory, the new president warned on Monday amid shrill rhetoric from Pyongyang and the US deployment of radar-evading fighters.
Washington's decision to fly B-52 and stealth bomber missions over Korea this week in a warning to Pyongyang risks pushing the North into staging an attack on the South just as its threats may have been on the cusp of dying down.
Iran, Syria and North Korea on Friday prevented the adoption of the first international treaty to regulate the $70 billion global conventional arms trade, complaining that it was flawed and failed to ban weapons sales to rebel groups.
North Korea has in recent days threatened the United States with nuclear war and rehearsed drone attacks on South Korea, prompting Washington, involved in military drills with the South, to say it is ready for any contingency.
Kenya will become the second African country after Sudan to have a sitting president indicted by the International Criminal Court.
US companies have invested around $1.9 trillion in production, distribution and other operations in the EU, far more than in China or anywhere else in the world.