An estimated 26 million pink salmon have crowded British Columbia's waterways, about three times more fish than expected, officials report.

The blobfish, a threatened gelatinous deep-sea fish, wins a public vote as ugliest animal.

Fertility scientists say they have made a crucial breakthrough in understanding why some women have repeated miscarriages.

Steam has been seen rising from North Korea's Yongbyon nuclear facility, suggesting that the reactor has been restarted, a US institute says.

Over the last 14 months there has been a five-fold increase in reported landslides in the UK.

Syria's President Assad appears on Russian TV to confirm chemical arms will be placed under international control, as key talks loom in Geneva.

Careful readjustment is vital for anyone taking up barefoot running, sports scientists have warned.

Nasa's Voyager-1 probe becomes the first manmade object to break through to the space between stars.