Prior to computer technology, how did astronomers so precisely predict solar eclipses? Kurt PetersenSheboygan Falls, WI What ...
A piece of thousand-year-old parchment is finally giving up its secrets. In a major breakthrough this week, researchers at the SLAC National Accelerator Laboratory in Menlo Park used X-ray beams to ...
Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...