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

Astrophysicists have achieved a major breakthrough by capturing images of exocomet belts around 74 nearby stars. Using the ...

The location of the fast radio burst, indicated by the oval outlines, is on the outskirts of a massive elliptical galaxy, the yellow oval at right.

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...

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

Located about 1,300 light-years from Earth, these young stars, also known as protostars, reside in a hotbed for star ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

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

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

Mechazilla successfully catches Starship booster in a dramatic display, marking a major step toward reusability. This ...

Nasa astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first ...