Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei. Speaking of Galileo, this photo was ...

Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his homemade telescope.

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Researchers have finished equipping the Subaru Telescope with a new special “compound eye,” culminating several years of ...

Stephen Hawking was born exactly 300 years after Galileo Galilei died. Their death and birth, exactly 300 years apart on ...

James Woods has lost his Pacific Palisades home in the Southern California fires that continue to devastate parts of Los ...

Note: The verification e-mail to complete your account registration should arrive immediately. However, in some cases it ...

Discover the best telescope deals on the market this holiday season. Looking for the best telescope deals this holiday season? We've got you covered! While Black Friday and Cyber Monday have ...

Find the best telescopes to unlock the wonders of the night sky — just in time for those long winter nights. The best telescope unlocks the wonders of the universe right from your backyard and ...

These miniature telescopes are useful for all sorts of people, from wildlife photographers to sports followers and birdwatchers. Monoculars provide magnification for a single eye, as opposed to a pair ...