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Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years. What does this portend?
Austerity measures resulting from partisan politics could have lasting and damaging effects on research and innovation, even if funding is later restored
When we are unable to find what we need in nature, we make it. This in-depth report examines new technologies, materials and methods shaping the future of fabrication
The deadly April 15 explosions unnerved a city and a sport. How can science and technology stop terrorist attacks and save lives? New stories will be added daily
The so-called Mayan apocalypse is just the latest in a long line of doomsday predictions
The pursuit of knowledge is now a global enterprise. Scientific American and Nature have teamed up on this special report on how this trend is changing the way science is done, and how it informs the world
In December 1972, astronauts left the lunar surface for the last time
Meteorologists and scientists have long warned that an extreme storm could leave the Northeast reeling. Sandy's October 29 impact unfortunately proved them right
How parasites turn animals into "zombies"--and why we are so fascinated with these creatures
Scientific American evaluates the scientific merit of the presidential candidates' proposed policies
How do cyclones form? Can hurricanes be stopped? And how to protect yourself
The car-size Curiosity rover could help answer the big question: Was Mars ever habitable?
What separates a champion from the rest of the pack? Science has some compelling answers
The International AIDS Conference is being held in the U.S. for the first time since 1990. What progress have we made in battling this global disease since then?
A newfound particle at the Large Hadron Collider looks much like the fabled Higgs
More than 20 Nobel laureates and about 550 young researchers from dozens of countries will meet at Germany's Lindau Island on Lake Constance from July 1-6 to discuss classic and cutting-edge physics
Novel fuels, "green" sources and new technologies will enable us to get around in more environmentally friendly ways
Venus will pass in front of the solar disk on Tuesday, June 5. The next transit will not occur again until 2117, so don't miss one of the rarest of sky shows
New approaches help keep our water supplies safe, but much remains to be done around the world
From recycling to energy use, new strategies are needed to ensure a more sustainable future
A look back at one of the biggest moments in steamship history, including how Scientific American covered it
Japan still struggles with the effects of a powerful earthquake, devastating tsunami and multiple meltdowns at the Fukushima Daiichi nuclear power plant
Sex, speed dating, monogamy--for Valentine's Day, we look at the science behind the mating game
Bacteria are finally overrunning our last defenses. Can we stop them?
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The Geoffrey Beene Foundation Alzheimer’s Initiative (GBFAI) is launching the 2013 Geoffrey Beene Global NeuroDiscovery Challenge whose
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The Seeker desires a method for producing pseudoephedrine products in such a way that it will be extremely difficult for clandestine che
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