Research shows that coffee intake can reduce melanoma risk by a fifth.
Scientists have said that human activity is destabilizing the global environment.
The key to learning and memory in early life is a lengthy nap, say scientists.
The study found a correlation between diabetes risk and the disruption of circadian rythms.
Firm says experiment to bring part of its Falcon rocket down to a soft landing did not work.
One of eight new planets spied in distant solar systems has usurped the title of "most Earth-like alien world."
The majority of them are middle-aged white males.
The company will try to land its Falcon 9 rocket on a floating platform in the ocean.
Most types of cancer can be put down to bad luck rather than risk factors such as smoking, study suggests.
Researchers are investigating whether the disease could have become more contagious.
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