KAO housed a 36-inch (91.5 cm) Cassegrain reflector telescope, optimized for observing infrared radiation within the 1 to 500-micron spectral range. The telescope cavity remained open to the ...

Be curious to see what the night sky over Berlin has to offer when you look deep into the cosmos with the "Cassegrain reflector telescope". Take a look at planets and the moon with fascinating details ...

Astronomers have discovered the most distant and thus earliest spiral galaxy ever seen, using the James Webb Space Telescope ...

Travel easily with the best small telescopes for observing when going on location or sharing with friends and family: Spot ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

We're back! A long-time reader and subscriber recently mentioned in the Ars Forums that they "kind of" missed the Daily ...

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

When I was a kid, I was fascinated by the Powers of 10 video, which came out in the 1970s. Perhaps you remember it, with the narrator taking us both outward toward the fathomless end of the Universe ...

Uncover the insights gained from the Webb telescope about early galaxies and their role in illuminating the universe.

NASA's James Webb Space Telescope (JWST) has unveiled an awe-inspiring celestial spectacle of a spiral galaxy interacting with a plume of dust and gas from a newborn star. NASA said in a statement ...