MIT students are designing a probe to study the asteroid that is heading near Earth in 2029. What they learn could help build a defense to avoid future asteroid collisions.
NASA creates a solar-powered spacecraft to cut space exploration costs.
As the saying goes, "freedom isn't free," and for America's veterans, they know the cost first-hand. This is especially true for our oldest veterans, many of whom have lost much of their freedom as old age has crept upon them.