Science News

Research estimates the impact of an R rating for movie smoking, and emphasizes that an R rating for any film showing smoking could reduce smoking onset in U.S. adolescents by 18%.

A portable instrument that replaces a full-size laboratory provides accurate multi-element analysis in less than a

Using a newly developed technique, protective casings for microscale devices can be built quickly and cheaply without damaging

Spotted by NASA's Opportunity rover, the rock may have been flipped over when it was kicked into view, perhaps offering a taste of pristine Martian material     

Engineers are pioneering a new way to explore the viscous fluids of biological environments, like the inside of the human body, where microscopes are difficult to place. Called a "bio-bot," the microscopic biological mac...

We think of smooth surfaces as being best for gliding through water with ease. Think swimmers' smooth legs, or the sleek underbelly of a sailboat. But new research is supporting previous evidence that rough surfaces coul...

Much like "Mars Rat," a Martian rock is causing quite the stir. Captured by NASA's Opportunity Mars Rover, researchers discussed a rock that appeared in an image that was not there previously. The Mars rock mystery quick...

In 13 milliseconds (13 one-thousandths of a second), a hummingbird can flap its wings a few times - and your brain can comprehend a picture, scientists say.

In recent weeks, Google said it would acquire Nest -- whose signature product is an Internet-connected, self-adjusting thermostat -- before venturing even farther afield with its announcement that it will bring to market...

Discovery Channel's new dramatic miniseries called Klondike reveals the dangerous lives of gold diggers who made their way into the Alaskan and Canadian wilderness to strike it rich at the end of the 19th century.

Fishing lines can unintentionally kill sea turtles, so researchers want to predict where these deadly encounters might happen.

Archaeologists have mounted a search to find the lost remains of Alfred the Great, who ruled England from 871 until his death in 899.

You can't just go to the store and buy an x-ray laser. Because x-ray photons pack so much more energy than visible-light photons, forming them into a pure beam requires a very different... --

From the sleek hulls of racing yachts to Michael Phelps' shaved legs, most objects that move through the water quickly are also smooth. But researchers from UCLA have found that bumpiness can sometimes be better.

Can Montana wolves survive new threats from weakened state protection?

Researchers have found that using telemedicine to deliver stroke care, also known as telestroke, appears to be cost-effective for society. The research was recently published in the American Journal of Managed Care.

Aging gracefully may not be an option for the 40 million people worldwide who are blind or have significant visual impairment. It's reported that 65% of those with visual impairment and 82% of those who are blind are ove...

The alien world of aquatic micro-organisms just got new residents: synthetic self-propelled swimming bio-bots. Engineers have developed a class of tiny bio-hybrid machines that swim like sperm, the first synthetic struct...

Particles held together by light could be a first step towards putting mirrors in space big enough to see continents and forests on exoplanets     

Is it ever right to kill for conservation?

Soon our mechanical friends will be able to swap tips on how to best care for us and learn about their worlds.

The discovery of a Portuguese manuscript purporting to include an illustration of a kangaroo has been used to question which European power was first to "discover" Australia.