Satellites have helped forecast and respond to disasters around the world. U.S. and international space agencies promote open data to save lives.
Secretary of State Rex Tillerson visits London as international leaders ratcheted up pressure on North Korea and sought peace in Libya.
NASA's Cassini space probe will cap off two decades of discovery in a blaze of glory, breaking up over the sky of Saturn like a meteor.
Since 1985, millions of people have removed a supertanker's weight of plastic trash from beaches as part of the annual International Coastal Cleanup Day.
The 3,500-kilometer Appalachian Trail calls more than 3 million hikers to the woods every year and has inspired scenic trails in other countries.
Rick Perry, the U.S. Secretary of Energy, test-drove a retro car with a new twist. The Shelby Cobra was 3-D printed at a national laboratory in Tennessee.
One Stanford researcher is putting powerful microscopes in the hands of schoolchildren and researchers. Made of paper, these scientific tools cost only $1.
In parts of Iraq liberated from ISIS, law enforcement has a new way to get up and running quickly: mobile police stations, or "police in a box."
Nine of the top 10 innovative institutions are in the U.S., according to the Nature Index, which assesses research quality and influence on inventions.