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 ...

Just to make it that little bit more challenging, there's also three different main types of telescopes to look out for. You have the choice of refractor, reflector and catadioptric telescopes ...

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

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

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

Two NASA astronauts are currently hard at work in space, patching up an instrument called NICER (Neutron star Interior ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Capturing images of individual stars in distant galaxies has generally been considered impossible for decades. But NASA’s ...

Find the best telescopes to unlock the wonders of the night sky and view lunar occultations, celestial conjunctions and planetary parades in January. The best telescope unlocks the wonders of the ...

Astronauts Suni Williams and Nick Hague completed pivotal maintenance tasks on the International Space Station in their ...

The spacewalks are part of NASA’s ongoing efforts to upgrade and maintain the International Space Station (ISS).