ScienceKepler Space Telescope Officially Retired After Running Out of Fuel NASA has announced that the planet-hunting spacecraft, Kepler, has run out of fuel after nine years in deep space. Its replacement, TESS, was launched earlier this year and will begin a new survey of the sky to find exoplanets.by Diane Samson
ScienceHow Do You Fix The Multibillion-Dollar Hubble Space Telescope? By Turning It Off And On Againby Diane Samson
ScienceNASA Is Looking For Tech And Science Payloads To Go On Commercial Lunar Landersby Diane Samson