The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Albert Einstein, everyone’s favorite wild-haired genius with a mischievous grin, is more than just a pop culture icon whose legend lives on today. He’s arguably the most influential scientist of the ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

Under the leadership of George Ellery Hale, the mirror for Mount Wilson's 100-inch scope was ordered in 1906. Businessman John Hooker initially covered the expenses; when he later withdrew his support ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...