Galileo precedes today’s physicists by many generations, but his work underscores the interplay of intellect and observation ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Evidence suggests ancient civilizations, including the Greeks, may have had early optical knowledge and devices like ...

Well he should, because those few brief seconds — in July of 1956 — gave young David Levy a star to wish upon for the rest of his life. They also seeded a lifelong passion for astronomy that comes ...

For most of history, the Moon was regarded as a mysterious and powerful object. Then scientists made it into a destination ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

In 1609, the Italian astronomer Galileo Galilei upended the Earth ... into his system a location that he has selected to shoot. His telescope, set up on his deck, aligns automatically with Polaris ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the nighttime sky. The moon, nearly two nights past first quarter and appearing ...