The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

GALILEO: Good morning, guys, I hope you're having a lovely day. I am Galileo Galilei, a scientist from ... to see my 'How To' film on creating your own telescope. Bye-ee! This vlog style film ...

The space lumps were captured by Nasa's Chandra X-ray Observatory and the Hubble Telescope, which teamed up for the stunning picture. Nasa said that the purple space lumps surrounding the planet are ...

Galileo’s contributions to science far outpace the controversy. He invented the first refracting telescope allowing him to observe the motions of the planets and was the first even to attempt ...