A hairy crab named after US actor David Hasselhoff hitched a ride on an ocean "super-highway" to colonise deep sea vents in the Atlantic tens of millions of years ago.
Controllers sever all communications with Europe's billion-euro Herschel space telescope, formally bringing to a close the observation phase of the mission.
A £50m project to attract world-class scientists to Wales makes its first appointment - a leading stem cell researcher looking at diseases of the nervous system.
Study solves the mystery of one of the most extreme adaptations in the animal kingdom: how marine mammals store enough oxygen to hold their breath for up to an hour.
An ambitious project set up by leading scientists and the BBC's Horizon science documentary set out to discover what cats get up to when they are outdoors.