Naps may help dormice save energy and survive until it is time to hibernate, say scientists.

Many coral reefs in the Caribbean could vanish in the next 20 years, according to a report published by the International Union for the Conservation of Nature.

African cichlid fish's memory of feeding areas can span up to twelve days, scientists show.

Research reporting one of the biggest "breakthroughs" in stem-cell science has been withdrawn after "critical errors" were discovered.

Medicine could soon be "cast back into the dark ages" unless action is taken to tackle the growing resistance to antibiotics, David Cameron says.

New research shows that the spread of TB in cattle can only be controlled if more radical measures are adopted.

The UK will have to divert a significant amount of waste away from landfill under new EU proposals on recycling.

A gene that allows present-day people cope with life at high altitude was inherited from an extinct species of human, Nature journal has reported.