A slide show looking back at the people, places and discoveries that shaped the world of science over the past year
Images capture subjects as vast as a nascent ocean and as tiny as carbon nanotubes
Surface-penetrating radar reveals features composed of ice, not rock
In spite of recent legislation, tougher laws are needed to prevent insurers and employers from discriminating on the basis of genetic tests
Food is scarce in the developing world, and prices are soaring in industrialized nations. Does science hold the key to the next green revolution?
On World AIDS Day, we look at the outcome of PEPFAR, President Bush's international AIDS program, the aftermath of a controversial HIV-prevention trial, and the future of microbicides--women-controlled AIDS prevention
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
A look at some of our extreme planetary neighbors right here in the Milky Way Galaxy
Is bisphenol A, a major ingredient in many plastics, healthy for children and other living things?
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
A year of discoveries, close calls, tragedies and triumphs in review
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
Among the many pressing issues that President-elect Barack Obama will face when he takes office in January is climate change, which he has called an “immediate threat” and warned has made Earth a “planet in peril.” In an effort to prevent and reverse the problem, he supports a so-called cap-and-trade scheme similar to one now in effect in the U.S.
A key part of the FBI's early investigation was finding whether the germ that killed five people in late 2001 was weaponized. Although they found the answer, scientists had to keep mum until the agency completed its inquiry