Male Houbara bustards that engage in more flamboyant sexual displays age faster than their less showy counterparts, say scientists.

Three men in charge of Japan's nuclear power safety and policy have been sacked for mishandling the ongoing crisis at the Fukushima nuclear plant.

A peregrine falcon found injured on the roof of BBC Scotland's headquarters at Pacific Quay in Glasgow is released back into the wild.

The UN is to publish a long-awaited report on oil spills in Nigeria's Ogoniland region, a day after Shell accepts liability for two leakages.

Scientists have discovered how vampire bats use their infrared detectors to find the right spot on their warm-blooded prey to bite.

Russian cosmonauts release an educational satellite in a lengthy and problematic spacewalk outside the International Space Station.

Scientists develop a mathematical model that predicts the maximum height trees can reach in particular environmental conditions.

Striking new images from the mountains of Mars may be the best evidence yet of flowing, liquid water, an essential ingredient for life, says Nasa.