An explosion seen in the cosmos in the early 1600s may actually be an "Alien Type Ia supernova", according to a new paper. In ...

An international team, including astronomers from Keele University, has performed a unique cosmic test to measure the mass of ...

The first publication by Galileo Galilei has set a new auction record for the celebrated astronomer, selling for $1.5 million ...

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...

German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering drawings are helping scientists solve a ...

Scientists analyzed famed astronomer Johannes Kepler’s 1607 sketches of sunspots to solve a mystery about the sun’s solar cycle that has persisted for centuries. CNN values your feedback 1.

After just a few months of work, a complete newcomer to the world of sphere packing has solved one of its biggest open ...

Johannes Kepler, depicted here in an engraving made centuries after his death, was a true Renaissance man who worked in a variety of fields, including astronomy, astrology, and music.

Scientists analyzed famed astronomer Johannes Kepler’s 1607 sketches of sunspots to solve a mystery about the sun’s solar cycle that has persisted for centuries.