These winged mammals inspire fear, wonder, and even movies. How does their sonar work? And can we save species that are going extinct?
ScientificAmerican.com presents some of this year's most exciting high-tech toys as well as gadgets to make the planet greener and inventions designed to deliver the most basic needs to developing countries...
Both the North and South poles are undergoing unprecedented changes as a result of man-made climate change. What does this mean for the region's wildlife and natural resources as countries make claims for territory?...
From Pompeii to Mount Pinatubo, volcanoes might have shaped Earth's surface, but also killed thousands. What makes magma burst from the ground as lava? Can scientists predict dangerous eruptions?...
Halloween conjures visions of ghosts, hauntings and many unexplained phenomena that play on our worst fears
Promising technologies to wean the world from fossil fuels, including offshore wind, solar, geothermal and hydrogen cars, among others
Where candidates Barack Obama and John McCain stand on science; key races involving science, energy and the environment; and what neuroscience says about how you'll vote
More than 130 Nobelists have written more than 200 articles for Scientific American. Here's a sampling, along with a look at the prizes themselves
Solutions to environmental problems ranging from global warming to peak oil--and how the environment is playing a role in this year's elections
The controversy over evolution rages on. Win all your debates against creationists with the science in our special report.
Fay, Gustav, Hanna, Ike: What's next for the U.S.? What causes nature's destructive storms? How do scientists study and predict them? How are they linked to global warming?
On September 10, the world's biggest science experiment is set to come online. Here's how the LHC will search for the Higgs boson, dark matter and supersymmetry
As the new NFL season kicks off, science greatly impacts life on the gridiron--from rehabilitating roughed-up players to making the right play calls
Merrill Goozner traveled to Siberia to find out if rising rates of MDR-TB in Russia can be curbed
Droids, lightsabers and the Force return to theaters August 15th in Star Wars: The Clone Wars. Get the lowdown on the science behind it all.
As the world's eyes turn to Beijing for the Olympics, China struggles to reconcile its rapid growth with the health of its people and environment
Find out how eclipses work and where to watch this one
As the global population grows--and freshwater supplies dwindle--ensuring that everyone has sufficient supplies of life-giving H2O has become an enormous challenge. Here's how to start.