Virgin births are discovered in wild vertebrates for the first time in an analysis of North American pit vipers.

Human remains are found by archaeologists searching for the lost grave of Richard III in a Leicester car park.

Australia's government works to rally support for a bill preventing a super-trawler fishing in its waters, after the opposition failed to back the move.

The firing of the biggest rocket in the UK for some 20 years will take place next month - a major test for the team aiming to break the land speed record.

The Mount Everest region's Sherpas express anger at the way studies of glacial lakes have been conducted in recent years - and threaten to halt them.

Research shows that a message to Facebook users showing which of their friends voted in a 2010 US election drove 340,000 more people to the polls.