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 ...

"Completing the Roman observatory brings us to a defining moment for the agency." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Nancy ...

Satellites reflect sunlight, Earthshine, infrared and radio waves. A new NASA-led study shows that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from some ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. An illustration of ...

A group of scientists using the James Webb Space Telescope have observed a giant cloud of helium gas evaporating from a distant giant planet. While helium escape has been observed before, this is the ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such 'monster stars' might have been the source of ancient supermassive black ...

One of the reasons astronomers like to put telescopes in space is that the “seeing” is better. With no turbulent atmosphere in the way the stars shine steadily, rather than twinkling as they do when ...

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It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

Astronomers have spotted a distant world "shedding" its atmosphere into space in real time, creating a giant cloud of helium gas that sweeps across its parent star well before the planet itself.