The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA's Chandra X-ray Observatory and ground-based optical telescopes. This…

Coral reefs, among Earth's richest ecosystems, traditionally teem with an abundance of life. But in recent years, corals have been dying in droves. Scientists suspect a variety of factors, ranging…

According to this study, marital sex is the single greatest HIV risk for women around the world. Marital infidelity by men is so deeply ingrained across many cultures, say Mailman School of Public…

Imagine a world where you can eat any kind of fat you want without raising your risk of heart disease. A new study in mice raises just that possibility. "We deleted an enzyme in mice and they could…

One simple blood test could predict relapse or survival for children and young adults with acute leukemias, researchers from the Children's Cancer Hospital at The University of Texas M. D. Anderson…

Everyday experience and psychology research both indicate that paying close attention to one thing can keep you from noticing something else. However, a new study from the University of Wisconsin…

Tropical plants may be more adaptable than commonly thought to changing rainfall patterns expected to accompany a warming climate, new research shows. A University of Florida scientist and other…

New immigrants to Western nations are believed to experience fewer chronic health problems (e.g., diabetes, high blood pressure and heart disease) than long-time residents of those countries. Dr.…

Implanted pumps improved heart function enough in a small percentage of patients awaiting a heart transplant that they were able to leave the hospital without a pump and without a new heart,…

A new, highly destructive strain of wheat stem rust is continuing to evolve and has the potential to devastate wheat production worldwide, say plant pathologists with The American Phytopathological…

According to two international-research studies on the last ice age, studies with the participation of Dr Rainer Zahn, research professor in the ICREA at the UAB Institute of Environmental Science…

Does the time of year in which a child is conceived influence future academic achievement? Yes, according to research by neonatologist Paul Winchester, M.D., Indiana University School of Medicine…

Most Americans are familiar with the popular city rankings of the fattest cities, the fittest cities, the most livable cities and the most expensive cities. Now, in the first-of-its-kind survey, the…

The growing premature birth rate in the United States appears to be strongly associated with increased use of pesticides and nitrates, according to work conducted by Paul Winchester, M.D., professor…

Railway sleepers made from waste plastic, including recycled bumper scrap and old computer cases could be putting in an appearance on UK railway tracks soon, writes Patrick Walter in Chemistry &…

High intelligence is the best protection against early sexual activity during adolescence, research has shown. Can it be that intelligent kids don't need free condoms to be convinced they shouldn't…

Exposure to trauma may create enough changes in the brain to sensitize people to overreact to an innocuous facial gesture years later, even in people who don’t have a stress-related disorder, says…

According to a new brain study, even people who seemed resilient but were close to the World Trade Center when the twin towers toppled on Sept. 11, 2001, have brains that are more reactive to…

A letter, supposedly sent to the Smithsonian Institute. Hilarious! Paleoanthropology Division Smithsonian Institute 207 Pennsylvania Avenue Washington, DC 20078 Dear Sir: Thank you for your…

Some high blood pressure medicines may help protect older adults from declines in memory and other cognitive function, according to new research from Wake Forest University School of Medicine,…