Scientific American Magazine

The galaxy is teeming with planets. Scientists are straining to peer into their atmospheres to seek signs of extraterrestrial life

Surgery in blind children from India allows them to see for the first time and reveals how vision works in the brain

The fate of the Alberta's tar sands mines—and the climate—may come down to the Keystone XL pipeline

Mounting evidence from species as diverse as cats and dolphins indicates that humans are not the only species that grieves over the loss of loved ones

As laureates and newcomers in chemistry form new bonds, we celebrate their achievements, past and future

Tuberculosis seems to be evolving in unexpected ways that outsmart humans

Ocean currents and other chaotic phenomena are supposed to be inherently unpredictable. But mathematicians are finding a method to nature's madness