Shawn Sprockett, a gay San Francisco man, has just published two maps with which people can take a walk through these ...

“It was like assembling the world’s most difficult jigsaw puzzle,” said Han Li, the lead specialist at the Museum of London ...

is still used by scientists to map objects in the sky. Hipparchus’s star catalog is the oldest known attempt to document the positions of as many objects in the night sky as possible ...