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 ...

This was the first working reflecting telescope. Other designers proved unable to grind mirrors with a regular curvature, so the reflector remained largely a curiosity until the mid-18th century ...

"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 ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

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.

The NIAOT in Nanjing was placed on Washington's entity list in 2023, not long after shipping the finished spectrograph As US astronomers cheer the completion of the state-of-the-art project to ...

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