A drop in global oxygen levels may have led to air-breathing marine animals 375 million years ago, said scientists, challenging...

Australian medical researchers used a pig's lung to oxygenate human blood, a significant advance towards using them for organ transplants.

Some people carry a genetic variant responsible for short telomeres - caps at the end of DNA that control ageing...

Finnish researchers called for a revision of climate change estimates after their findings showed emissions from soil would be up...

"Up to 75% of successful ex-smokers quit unaided," said a public health expert, who reviewed hundreds of studies into quitting...

The most common type of galaxy changed from a "peculiar" shape six billion years ago to a typical spiral shape...

Could a beer a day keep the osteopath away? American nutritionists found that beer could be a good source of...

Researchers have found the trigger that activates sperm to start them swimming, which could lead to a male contraceptive and...

After a long silence, the Sun erupted in an unusual pattern of small solar flares, said an Australian astrophysicist, which...

The father of evolution Charles Darwin was a direct descendant of the Cro-Magnon people, whose entry into Europe 30,000 years...