The legendary Giant's Causeway in Northern Ireland, a UNESCO World Heritage Site, is under threat from rising sea levels due to global warming, a new study says.
Widespread news coverage of Kenya's violence and political turmoil has caused a drop in wildlife tourism that is expected to impact the livelihoods of local people.
Virgin Galactic's Richard Branson and aerospace designer Burt Rutan debuted a model of a ship planned to carry commercial passengers on a suborbital joyride within a few years.
New Zealand crowds honored Everest pioneer Sir Edmund Hillary, who received a state funeral. In Nepal, Sherpas held traditional prayer services for the beloved mountaineer.
The 15th-century explorer and his crew picked up syphilis-causing bacteria in the New World, a genetic study claims—though some experts say the evidence is inconclusive.
Sir Edmund Hillary has died at his home in New Zealand. He and Sherpa Tenzing Norgay were the first to scale Mount Everest, the world's highest peak, in May 1953.