Two British men who have been blind for many years have been able to perceive light and some shapes after surgery to fit an innovative retina implant.

Pond skater males have evolved elaborate antennae due to sexual struggles with females, say researchers.

Greenland's glaciers are not speeding up as much as previously thought and may be contributing "significantly less" to sea-level rise, a study says.

A scientist at the prestigious Cern laboratory is jailed for five years in France for plotting terrorist attacks.