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 ...

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 ...

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

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.

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.

It was not Galileo Galilei or Thomas Harriot but Johannes Kepler who left the earliest datable sunspot drawing. An international team led by Nagoya University in Japan has made a significant ...

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.