How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Sunday, Oct. 27, with sky charts, ...

Comet ATLAS (C/2024 S1), nicknamed the “Halloween comet,” could fragment, lose its head and disintegrate and as it passes ...

Comet C/2024 S1 (ATLAS) passed its closest point to Earth on Oct. 23, reaching a magnitude of 8.7, far too dim to be seen with the naked eye. Still, telescopes were able to catch a glimpse of the icy ...

A dazzling comet left behind a dramatic dust tail as it swept around the sun, new photos reveal. C/2023 A3 (Tsuchinshan-ATLAS ...

Comet A3 Tsuchinshan-ATLAS proved to be photogenic as it lit up the early autumn skies of the Northern Hemisphere this month.

Dr. Attewell says, "In the last 200 years, we've seen ten what we call great comets. Now great comets are comets that anybody ...

Talk about a Halloween treat. A recently discovered comet will be blazing by the Earth in broad daylight just in time for Halloween, astronomers say. Comet C/2024 S1, first found at the end of ...

Brown University astronomers captured stunning images of a once-in-a-lifetime comet and vibrant auroras across the skies ...

GSA is putting the final touches on its next generation IT services contract, called COMET II, that is expected to draw dozens of bidders.

U.S. Naval Research Laboratory (NRL) imaging instruments on three sun-orbiting observatories have captured sequences of comet C/2023 A3, known as Tsuchinshan-ATLAS, as it passed between the Earth and ...

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The countdown begins for skygazers, as the much anticipated Comet Tsuchinshan-Atlas will disappear from our night sky by early November, according to NASA. Discovered only in 2023, the comet ...