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

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

"The James Webb Space Telescope has been truly revolutionary- it is now hard to imagine what life was like without it!" ...

Want to make the most of January's cosmic events, from Mars at opposition to the planetary parade? We've rounded up the best telescopes for all budgets and experience levels. The night sky can be ...

A Dobsonian mount is an alt-az type specifically made for Newtonian reflecting telescopes. The mount, which employs a swivel base and a cradle assembly to hold the telescope tube, has a simple ...

The instrument is the Prime Focus Spectrograph, and it is one of the flagship instruments in the next era of the Subaru ...

European Southern Observatory Director General Xavier Barcons told Space.com that astronomers expect the project to brighten ...

To see distant galaxies and fainter star clusters, time a trip around a new moon, when the night is at its darkest.

A team of astronomers sifted through James Webb Space Telescope data from multiple surveys to compile one of the largest ...

Greg Breeding, an art director for USPS, designed the stamp with an image from NASA, the European Space Agency, the Canadian ...