UK scientists win permission to genetically modify human embryos for the first time.

An alarming mixture of confusion and fear is blighting the pregnancies of thousands of women across Brazil, writes David Shukman.

A previously unknown population of at least 100 lions is discovered by a wildlife charity in a remote park in north-western Ethiopia.

A new study says that man-made climate change increased the chances of a once in century wet January in southern England in 2014 by 43%.

Scientists recreate the furrows of a human brain using a simple two-layered gel model, showing that the brain's folds have physical origins.

A reptile believed to pre-date most species of dinosaur hatches at Chester Zoo after a 38-year wait by conservationists.