Scoffing large amounts of chocolate could cut the risk of heart disease by a third, new research suggests.
An enormous underground river has been reported flowing thousands of feet below the Amazon.
A caesium fountain clock that keeps the United Kingdom's atomic time is now the most accurate long-term timekeeper in the world, according to a new evaluation - twice as accurate as was previously believed.
Paleontologists have unearthed the fossilized remains of a creature that they say may be the ancestor of all placental mammals on Earth today.
Animals at the Washington National Zoo started behaving oddly minutes before Tuesday's magnitude 5.8 earthquake hit.
The El Niño global climate cycle is triggering regular conflicts across the globe, new research suggests.
There are 8.7 million species on Earth, according to the latest estimate, claimed to be far more precise than any before.
Ohio State University engineers are getting pretty handy with a sewing machine, working on ways to incorporate radio antennas directly into clothing using plastic film and metallic thread.
Scientists say they've found the world's oldest fossils, the remains of tiny creatures that lived 3.4 billion years ago in a pre-oxygen world.
A Dutch artist says she's succeeded in creating a substance based on human skin which can stop a bullet in its tracks.
University of Leeds engineering students have found a way to let surgeons keep their sense of touch when carrying out keyhole surgery.
A new robot designed to search out trapped miners in the event of an accident can navigate through 18 inches of water, crawl over boulders and rubble piles, and move in ahead of rescuers to evaluate dangerous environments.
Oxygen may have been sustaining life in Earth's oceans long before there was any trace of it in the atmosphere.
Tiny amounts of radioactive sulfur reached California after the Fukushima nuclear disaster - but it's nothing to worry about, say scientists.
An average of six hours a day in front of the box could shorten life expectancy by almost five years - about the same as other well-known risk factors such as smoking.
Two new detectors in China have started recording the interaction of antineutrinos in an experiment that could help explain why matter predominates over antimatter in the universe.
Scientists from the University of Cambridge have concluded that enhanced tree growth in tropical forests could stimulate micro-organisms and lead to a release of stored soil carbon.
Tel Aviv University researchers have developed an anti-date rape device that can detect whether a drink's been spiked and warn the victim.
Researchers at MIT’s Lincoln Lab say they've designed a drug that could potentially cure the common cold, flu and even Ebola as well as other viral diseases.
A thin, wearable brain-machine interface could allow patients to be monitored outside of hospital, or let soldiers communicate silently in the field.