The first publication by Galileo Galilei has set a new auction record for the celebrated astronomer, selling for $1.5 million at Christie's.

Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources ...

Telescopes are fun to point around the sky, but they’re even better when you have some idea of what you’re actually looking at. Experienced sky-gazers love nothing more than whipping ou… ...

NASA has pushed the boundaries of astronomy once again with the James Webb Space Telescope (JWST)—the most advanced telescope ...

From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...