Add Yahoo as a preferred source to see more of our stories on Google. On January 11, 1787, the English astronomer Sir William Herschel discovered two moons at Uranus! Oberon and Titania were the first ...

In March of 1781, William Herschel spotted the seventh-known planet of our solar system. He wanted to name it Georgium sidus (George’s star), after King George III. Astronomers outside the U.K.

Engineers at NASA's Jet Propulsion Laboratory have been gazing at signals that left the solar system before many of today's graduate students were even born ...