Scientific American Magazine

Conventional wisdom says that globular star clusters are the stodgy old codgers of the universe, but it turns out that many of these clusters are young

By boosting astronauts into orbit, China hopes to become the newest superpower in space

Campaigns against child labor are most likely to succeed when they combine the long arm of the law with the invisible hand of the marketplace

A new technique called virotherapy harnesses viruses, those banes of humankind, to stop another scourge--cancer

Novel motion-producing devices--actuators, motors, generators--based on polymers that change shape when stimulated electrically are nearing commercialization

Sea ice and glaciers are melting, permafrost is thawing, tundra is yielding to shrubs--and scientists are struggling to understand how these changes will affect not just the Arctic but the entire planet