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?
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
As the world negotiates in Durban, climate change continues unabated--and greenhouse gas emissions continue to rise
When humankind once again ventures out from Earth's neighborhood, where will we go? And how will we get there?
As NASA prepares to launch its new Curiosity Mars rover, we look back at some of the highlights--and the misfires--in more than 50 years of Mars missions
Learn the latest psychology behind why it's hard to be happy, and take our quiz to learn how your contentment compares to that in other cultures
Can the planet handle more than seven billion humans?
The International Year of Chemistry commemorates the achievements that have made life better. Breakthroughs promise a greener and more productive future
The Apple co-founder passed away October 5, but our digital lives leaped ahead dramatically as a result of his leadership
The top U.S. particle collider, now eclipsed by a more powerful European machine, will be switched off September 30
As obesity becomes a global health threat, scientists are discovering new details about how this complex affliction affects the body--and about the many factors that bring it on. In a partnership with theVisualMD , here is a look at the fascinating details behind this common condition...
More than 20 Nobel laureates and about 550 young researchers from 77 countries met at Germany's Lindau Island on Lake Constance from June 26 to July 1 to discuss the future of science and innovative thinking...
The attacks on September 11, 2001, profoundly influenced the direction of science and technology. What's been learned from those events, and how they have shaped our lives since
On August 23, 2011, a rare, magnitude 5.8 quake struck in Virginia and jolted the East Coast. Here are stories about the event and background on earthquake science