Southern Indiana was hit very hard by large tornadoes Friday, killing six people and destroying the town of Marysville
Heart disease and depression are likely to claim more lives than radiation after the earthquake, tsunami and nuclear accident, experts say
Construction on 73-metre vessels set to begin later this year.
An economic analysis of the value of sharks for ecotourism alone finds that each individual is worth far more alive than dead for its fins. Steve Mirsky reports
The government failed to provide accurate warnings after the March 11 event that damaged the Fukushima reactors. Public mistrust remains high
A microbiologist is harnessing beneficial bacteria to help coral reefs weather pollution, overfishing and climate change
Join the more than 5,000 citizen scientists who are helping researchers identify the songs of individual whales. Mariette DiChristina reports
Watch how paleoartist James Gurney created the images for Scientific American's March feature "Dinosaurs of the Lost Continent"
The American West once harbored multiple communities of dinosaurs simultaneously—a revelation that has scientists scrambling to understand how the land could have supported so many behemoths
Aid in conserving monarchs and their threatened migratory phenomenon, and advance our understanding of butterfly ecology in general
Disappearing sea ice can influence the jet stream, a study suggests, resulting in more frequent winter blasts in a warmer world
Canadian crude is dirtier than most other oil, but the environmental impact of its use may be more local than global
If renewable energy is going to take off, we need good ways of storing it for the times when the sun isn't shining and the wind isn't blowing
New research suggests the drag on falling precipitation helps slow atmospheric circulation. David Biello reports
A marine biologist describes her upcoming mission to some of the deepest hydrothermal vents in the ocean
Survey provides accurate data on extent of damage caused by killer wave.
Will the unethical release of documents from the controversial Heartland Institute undermine climate science? We ask climate scientist Gavin Schmidt
Globally, friction on raindrops dissipates almost as much atmospheric energy as does turbulence.
Felony charges against U.C.L.A. raise the issue of science safety on campus
Human oral contraceptives that find their way back into the environment might be having an effect on frog mating. Christopher Intagliata reports