Five young people who were killed at a Calgary student house party overnight were allegedly stabbed by a guest who is the son of a senior police officer. read more
Teams searching for the missing Malaysia Airlines plane have reacquired signals that could be consistent with "black box" flight recorders.
An Australian vessel heard the signals again on Tuesday afternoon and evening, the search chief said. read more
A Soyuz rocket has launched from French Guiana with the first satellite in the European Union's new multi-billion-euro Earth-observation programme. The Sentinel-1a spacecraft has been put in orbit on a mission to map the planet's surface using radar.
North and South Korea have exchanged fire into the sea across the disputed western sea border, South Korea says. North Korea announced early on Monday that it would hold live-fire drills in seven parts of the border area. South Korea says it returned fire after North Korean shells landed in its territorial waters.
The Air Force fired nine mid-level nuclear commanders Thursday and will discipline dozens of junior officers at a nuclear missile base in response to an exam-cheating scandal. Last year, AP revealed a series of security and other problems in the nuclear force, including a failed safety and security inspection at Malmstrom Air Force Base in Montana. The cheating involved the answers being passed around on tests of missile launch officers' proficiency in "emergency war orders," which are messages to target and launch missiles. read more