Set to peak on Oct. 8, 2025, the Draconid meteor shower will light up autumn skies with up to 10 shooting stars per hour.

An interest in astronomy may strike early in life or later. Regardless of what lit the fire of that interest, you need knowledge to help you understand the universe. Some of the most important sources ...

Welcome to the Department of Physics and Astronomy at the University of Delaware, where the pursuit of scientific discovery and innovation meets cutting-edge research and academic excellence. Our ...

Ejnar Hertzsprung (b. 1873) initially trained as a chemical engineer before commencing his significant astronomical work in 1901. He independently identified the distinct dwarf and giant stellar ...