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Termites are masters of construction in the insect world, working together to construct complex, sky-scraping homes with neither blueprint nor foreman. Harvard engineers have created 8-inch-long robots that can build in the same way — by sensing their environment, and applying a few rules.

The company says its Prime Air service will someday deliver packages up to five pounds in 30 minutes or less using small drones.

Instead of drifting gently onto Mars' surface, the Schiaparelli Mars lander hit the planet hard — and possibly exploded, the European Space Agency says.

The storm may not have had the intensity of other Gulf hurricanes of recent years, but its slow movement and wide coverage area create their own problems.

Scientists have learned that compact fluorescent light bulbs could give off ultraviolet radiation if their inner coating cracks. Light-emitting diodes, another eco-friendly lighting option, won't give you a sunburn, but they do have the potential for other mild health effects.

Watching Felix Baumgartner's "space jump" on Sunday was exciting, riveting and unnerving. And it does make you wonder: What if something had gone wrong?

Hillary Clinton released updated health information on Wednesday following a pneumonia diagnosis. Her doctor says says she is "healthy and fit" to serve as president.

Who the heck are all of these 20-somethings and how in the world are they able to drive all these Ferraris and Maseratis? It's the first thing that struck NPR's Anthony Kuhn upon his return to Beijing after a few years away. It's also clear the city's distinctive dialect and foods are growing scarcer.

"Kid's lucky to be alive," an FBI spokesman says of a 16-year-old boy who authorities think stowed away Sunday in the wheel well of a flight from San Jose, Calif., to Maui. The odds were against him.

A fictitious asteroid is the focus of a realistic exercise, as experts at the Planetary Defense Conference run through how they would respond to news of a looming asteroid strike.