The Islamic State group published a video of the beheading of a second US journalist, and threatened the life of a British journalist.
The Ebola outbreak in West Africa is much worse than official figures show, the US Centers for Disease Control and Prevention warns.
Singer Justin Bieber has been arrested after crashing an ATV into a minivan driven by paparazzi.
The FBI and Apple are investigating the hacking of naked images of 101 media personalities, including Jennifer Lawrence.
A reported comment by Vladimir Putin that Russia could capture Kiev within two weeks was taken out of context, the Kremlin says.
Joan Rivers remains on life support, daughter says.
Scientists have created a renewable fossil fuel alternative using gut bacteria.
Piers Morgan has left CNN after turning down a two-year deal.
A US drone may have killed the leader of al Shabaab in Somalia.