Scientific American Magazine

New 3-D software is helping scientists identify the sex and ancestral origins of human remains with greater speed and precision

The FDA recently okayed the first therapeutic cancer vaccine, and other drugs that enlist the immune system against tumors are under study

Many of the most profound scientific questions—and some of humanity's most urgent problems—pertain to the science of atoms and molecules

Although we are usually unaware of it, we communicate through chemical signals just as much as birds and bees do

Building on her Nobel Prize-winning research on cell function, Elizabeth H. Blackburn is trying to find a simple measure of a person's health risks

Even as the last protons spin through the most successful particle accelerator in history, physicists hope to conjure one final triumph

Dark matter is not just a puzzle. It is a solution

2011 is the International Year of Chemistry—a well-deserved celebration of that science's profound power

A maverick aristocrat's ideas about dinosaur evolution turn out to have been decades ahead of their time

Geologists say newfound deposits in the embattled country could fulfill the world's desire for rare earth and critical minerals and end opium's local stranglehold in the process