A previous forecast predicted a geomagnetic storm happening Wednesday and Thursday, but the sun's activity has greatly weakened over the past few days.
Scientists have detected these strange particles from outer space before, but this is the first time they've caught cosmic neutrinos from our own Milky Way
Scientists say they've found evidence of a very long gravitational wave that could open a window onto supermassive black holes — and perhaps even other extreme, unseen objects in the universe.
Each year in northern Pennsylvania, hundreds of stargazers attend gatherings under increasingly rare dark skies to look for faint galaxies, star clusters and nebulae.
On June 18, 1983, she made history aboard the space shuttle. America's first woman in space had joined NASA after responding to a newspaper ad. "I knew that's what I wanted to do," she said.
Chemical physicist Stafford Sheehan invented a process that can turn carbon dioxide into yeast. It's now a finalist in the NASA-sponsored Deep Space Food Challenge.
On Friday afternoon, spectators had a chance to see the most current images of Mars possible — which take 3 to 22 minutes to reach Earth — courtesy of the European Space Agency.