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

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.

From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for ...

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

View the planets and night skies from home - Heavens above! Your guide to the best telescopes for stargazing, created for all ...

Astronomers are raising concerns about the impact of light pollution from a renewable energy project on the world’s most ...

In addition to helping the researchers nail down the nebula's ellipsoidal structure, the 3D model also confirmed that the ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

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

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...

Chile's Atacama Desert is home to some of the best Earth-based observatories, though an energy company is throwing a wrench ...

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