Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

Italian astronomer Galileo Galilei peered through his newly improved 20-power homemade telescope at the planet Jupiter. He ...

Early trebuchets were built on site. As they grew increasingly large and powerful, wagons carrying sections of prefabricated ...

Johannes Kepler While each cycle of waxing and waning ... And Kepler’s long-forgotten drawings, made before the advent of telescopes, were dusted off this year when scientists analyzed them ...

Scientists explored Beethoven’s ailments, linked remains to a Norse saga, uncovered colonial secrets, peeked inside an alchemy lab and debunked a royal hoax in 2024.

Johannes Kepler While each cycle of waxing and waning solar activity typically takes about 11 years, there have been times when the sun behaved differently than expected. And Kepler’s long-forgotten ...

(Johannes Kepler via CNN Newsource ... And Kepler’s long-forgotten drawings, made before the advent of telescopes, were dusted off this year when scientists analyzed them to learn more about ...

Separately, centuries after German astronomer Johannes Kepler made sketches of sunspots ... made before the advent of telescopes, were dusted off this year when scientists analyzed them to learn ...