From liquid coal to biofuels, military and commercial aviators are searching for domestically sourced, cost-effective and clean alternatives to petroleum-derived jet fuel
Loss of habitat and climate change are pushing 178 species toward extinction in the continental U.S.
The impacts of global warming have begun to appear across the globe, from shrinking glaciers to rising seas.
Popular applications of science and technology for you to give and get
In pursuit of evidence that life arose on Earth more than once, scientists are searching for microbes that are radically different from all known organisms
State-of-the-art light microscopy illuminates the exquisite details of life
Supplementary web-only content to the "Brain Stains" feature
How realistic are images of planets around other stars—and should they be? CLICK HERE FOR AN IMAGE GALLERY
Extended missions to the moon or Mars mean that astronauts may need improved medical care and even the ability to perform surgery in space
Limiting climate change without damaging the world economy depends on stronger and smarter market signals to regulate carbon dioxide