A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.

California firm Reflect Orbital plans 4,000 reflectors to beam light over cities and power sites, alarming astronomers and dark-sky advocates.

NASA's Hubble Space Telescope has uncovered a new type of astronomical object nicknamed Cloud-9, which is apparently a starless, gas-rich, dark-matter cloud. This object is considered a "relic" or ...

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You've waited until the biggest sales event of the year to scope out the best telescope deal — so make sure you know what to look for before you dive in. When you purchase through links on our site, ...

Optical telescopes are essential tools in astronomy, built to collect and focus light from distant celestial objects. By capturing and concentrating photons onto a detector, these instruments allow ...

Learn step-by-step how to set up your smart telescope in equatorial mode for smooth and precise tracking. Become a guiding pro! #SmartTelescope #EquatorialMount #AstrophotographyTips Editorial: ...

Add Yahoo as a preferred source to see more of our stories on Google. Children love looking up at the stars and imagining distant galaxies, but with just their eyes, they can only see so much.

A stargazing event was held on September 20, 1995, utilizing a refurbished 16-inch telescope mirror originally owned by Clyde Tombaugh, the discoverer of Pluto. The event took place near the planned ...

Watch me set up the powerful 300mm F2 telescope with the HyperStar system! Perfect for fast, stunning astrophotography. Ready to capture the night sky like never before! #Astrophotography #HyperStar ...