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 ...

At 43 years old, Guyon today has a very big telescope to work with. The Subaru observatory, along with 12 others ... (27 feet) reflector is among the largest single-piece mirrors in the world.

The Boeing 747 is an icon of the jet age, a giant aircraft that democratized air travel for the masses and shrank the world ...

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 ...

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

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...

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

Advanced optical testing assures the ability of Roman Space Telescope Arrangements made of the mirrors and scientific tools used in the Roman Space Telescope are necessary to become flawless ...

Giant mirror: Webb's mirror, which captures light, is over 21 feet across. That's over two-and-a-half times larger than the Hubble Space Telescope's mirror. Capturing more light allows Webb to see ...

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...

NASA's powerful Webb Telescope has spotted more than 40 ancient ... which is normally spiral-shaped, into a "hall of mirrors of cosmic proportions." That allowed researchers to see dozens of ...