A bike helmet suggests safety -- even if the wearer is not sitting on a bike and the helmet cannot fulfill its function. more

On any given day, a news story might list a city in India as "most polluted." In another story, a city in China may have held the distinction. Then again, maybe Iran... more

A new study funded by the NIH says that increasing rates of the chronic lung condition called emphysema are linked to breathing polluted air over a long period. The progression of emphysema,... more

Asteroids, including those that might slam into Earth. Clouds of gas and dust on the verge of forming stars. Planets orbiting stars other than our own. more

It was an audacious idea: To send an unmanned saildrone on a 13,670-nautical-mile journey around Antarctica alone, at the mercy of the most hostile seas on... more

A satellite network that can zoom in on ships at sea and check for oil spills in almost real time has demonstrated its capabilities at a high-level international event in Brussels. more

A satellite network that can zoom in on ships at sea and check for oil spills in almost real time has demonstrated... more

One of the year's brightest meteor showers is about to take flight. If you face cloudy or light-polluted skies at home, however, never fear — the Perseids will... more

Five years after Congress passed a law to reduce unnecessary MRIs, CT scans and other expensive diagnostic imaging tests that could harm... more

There's no organ system in the body that does as much for humans as roots do for plants. Part anchor and part mouth, a plant's root system architecture is critical to its success. But... more

Biologists have discovered a cellular transporter that links two of the most powerful hormones in plant development -- auxin and cytokinin -- and shows how they regulate root initiation and progression. Understanding why and... more

Researchers at Oregon State University have proposed a new genus of bacteria that flourishes when coral reefs become polluted, siphoning energy from the corals and making... more

Needing to ride in a wheelchair can put the brakes on myriad opportunities - some less obvious than one might think. New research from Michigan State University sheds... more

Researchers have proposed a new genus of bacteria that flourishes when coral reefs become polluted, siphoning energy from the corals and making them more susceptible to... more

A crucial signaling pathway that can tell the immune system to fight off cancer can also be co-opted by cancer cells to... more

Scientists can turn proteins into never-ending patterns that look like flowers, trees or snowflakes, a technique that could help engineer a filter for tainted water and human tissues. more

Scientists can turn proteins into never-ending patterns that look like flowers, trees or snowflakes, a technique that could help engineer a filter for tainted water and human tissues. more

Scientists can turn proteins into never-ending patterns that look like flowers, trees or snowflakes, a technique that could help engineer a filter for tainted water and human tissues. more

House sparrows infected with West Nile virus (WNV) that live in light polluted conditions remain infectious for two days longer than those who do... more