SETI astronomer Jill Tarter has spent her life searching for E.T., “simply because we’re curious.” She says that’s a milestone for humanity.
From solar explorers to record bearers, scientists and the public reflect on the many lives of Voyagers 1 and 2.
On August 21st, millions of Americans stopped what they were doing and looked up. Science Friday was there.
NASA is preparing a year-long test to examine how off-the-shelf supercomputers might withstand radiation in space.