NASA has selected 304 proposals from U.S. small businesses to advance research and technology for future space missions, including 49 managed by JPL.
Take a virtual trip to the imagined surfaces of planets beyond our solar system with NASA's interactive Exoplanet Travel Bureau.
A new NASA-led study shows the events are likely to intensify, but become slightly less frequent, across most of the globe by the end of this century.
NASA's planet-hunting spacecraft Kepler has begun the 18th observing campaign of its extended mission, K2.
Engineers will now test delivering samples to instruments inside NASA's Curiosity Mars rover.