Neural "noise" may cause you to miss important changes in your environment when you are concentrating on something else, new research indicates.

Once the baby arrives, many new mothers want to return to their former weight quickly -- just like film stars who appear in the media in bikinis just weeks after giving birth. But according to new research, women should not put themselves under too much pressure straight away. Researchers warn that overdoing early weight loss attempts could have a negative impact on breastfeeding.

Researchers have reconstructed atmospheric carbon dioxide levels over the past 2.1 million years in the sharpest detail yet, shedding new light on its role in the Earth's cycles of cooling and warming.

Researchers suggest that the cell-signaling protein, interferon type 1, reduced H5N1 influenza virus replication in mice and may offer some degree of protection in the early stages of infection. 

People make value judgments about others based on their facial expressions. A new study shows that -- after looking at a face for only 100 milliseconds -- we can detect expressions of happiness and surprise faster than those of sadness or fear.

The dinosaurs that roamed Earth millions of years ago might not have been nearly as massive as we’ve long imagined, says a paper published today in the Zoological Society of London's Journal of Zoology. [More]

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Researchers have created the world's first animal laboratory experiment to successfully model human gambling. The advance will help scientists develop and test new treatments for gambling addictions, a devastating condition that affects millions worldwide.

By squeezing a typical metal alloy at pressures hundreds of thousands of times greater than normal atmospheric pressure, scientistshave created a material that does not expand when heated, as does nearly every normal metal, and acts like a metal with an entirely different chemical composition.

In a breakthrough that will help scientists unlock mysteries of the Sun and its impacts on Earth, an international team of scientists led by the National Center for Atmospheric Research has created the first-ever comprehensive computer model of sunspots. The resulting visuals capture both scientific detail and remarkable beauty.

Two patients whose prostate cancer had been considered inoperable are now cancer free thanks in part to an experimental drug therapy that was used in combination with standardized hormone treatment and radiation therapy. The men were participating in a clinical trial of an immunotherapeutic agent called MDX-010 or ipilimumab.