pt. I. Ancient astronomy, from its origins to the end of the Middle Ages. The origins of astronomy -- Primitive astronomy in China, Chaldea and Egypt -- The cosmology of primitive peoples -- The ...

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful evidence of dark matter. Her groundbreaking work revealed that most of the ...

The earliest cosmological ideas -- The early Greek philosophers -- The Pythagorean school -- Plato -- The homocentric spheres of Eudoxus -- Aristotle -- Herakleides and Aristarchus -- The theory of ...

Nestled in the rolling green hills of the English countryside is an important site in global astronomical history. But now, with its future uncertain, this historic site is at risk. When you purchase ...

On Feb. 10, 1842, Agnes Mary Clerke was born in County Cork, Ireland. As her bank manager father owned a telescope and the family observed at home, it is perhaps not surprising that Clerke showed ...

For centuries, Halley’s Comet has carried the name of English astronomer Edmond Halley. His work transformed astronomy by proving that the bright comet appearing every few decades was not a random ...

On Feb. 27, 1942, in the midst of World War II, sudden, severe interference struck anti-aircraft radar stations on the coast of England. The obvious answer seemed to be a new German signal-jamming ...

A new lecture series at the University of Tennessee at Chattanooga will honor one of the most influential figures in the city’s astronomy history while bringing a distinguished alumnus back to the ...