A solar-powered asteroid nursery at the orbit of Mars

The planet Mars shares its orbit with a handful of small asteroids, the so-called Trojans. Among them, one finds a unique group, all moving in very similar orbits, suggesting that they originated from the same object. But ...

How a hike led to a math 'Eureka!'

Where do “eureka” moments come from? Emory mathematician Ken Ono found his on a hiking trail in north Georgia.