Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental ...

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

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.

Abstract: The Luneburg lens is of significant interest for microwave and optical devices due to its wide-angle focusing properties. However, the inhomogeneous refractive index of the lens is ...

4 members of the maintenance crew at HAA, looking at their reflection in the newly cleaned and recoated telescope mirror. Perched on a hill just outside of Victoria, B.C., the Dominion Astrophysical ...

An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications including broadband access in rural and remote areas worldwide. It also has ...

The James Webb Space Telescope has observed the universe's earliest supernova. This event offers a rare glimpse into the early universe. It shows how massive stars lived short, explosive lives. These ...

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 ...

NASA recommends telescopes with at least a 30-centimeter aperture to spot 3I/ATLAS clearly, categorizing such devices as advanced for amateurs or semi-professionals due to their high costs and ...

Since first light, James Webb has been ripping open the early universe and finding galaxies that look far too bright and massive for how young they are. Those deep-field shots show cosmic structures ...