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

As US astronomers cheer the completion of the state-of-the-art project to rejuvenate the iconic Hale Telescope, one key ...

As US astronomers cheer the completion of the state-of-the-art project to rejuvenate the iconic Hale Telescope, one key collaborator is locked out of the celebrations and banned from exporting to ...

Until then, the largest optical telescope in the Western Hemisphere had been the 200-inch (5.1-meter) Hale Telescope, built in 1949 on Mount Palomar in California and used by Edwin Hubble in the ...