Whether you want a basic scope or a more advanced system, Amazon has tons of Celestron models for the lowest prices of the year during Cyber Monday. By Stan Horaczek Published Nov 30, 2025 9:42 PM EST ...

Save on telescopes, binoculars and monoculars with our last-minute deal round up, but you'll have to be fast if you want them ...

I've taken incredible photos of this interstellar comet for more than a month using two tiny iPad-connected scopes in my ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

An image simulating the contamination from satellite trails in observations by ARRAKIHS, a European Space Agency telescope planned to launch in 2030 NASA / Borlaff et al., Nature, 2025 under CC ...

Is someone on your list hard to shop for? We've got a ton of great options for just about anyone. And grab a little something ...

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light travelled across a Universe filled with immense lumps of dark matter. He started ...

Sky This Week is brought to you in part by Celestron. Friday, December 12Ganymede reappears from occultation behind Jupiter ...

Starting in 2035, the Einstein Telescope will study gravitational waves with unparalleled accuracy. As part of this ...

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

Meteors from the Ursids appear near the Little Dipper, which is part of the constellation Ursa Minor. Only skywatchers in the ...