Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

Comet SWAN has an estimated brightness of magnitude +6.1 (a measure of visual brightness), which, in a dark, moonless sky, ...

Astronomer Gianluca Masi captured spectacular footage of a glowing meteor trail wrapping around the colossal tail of Comet ...

Lemmon, which is a rare green comet, can be seen with the naked eye on Oct. 21, according to the Royal Astronomical Society, ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail ...

While 3I/ATLAS is getting all the attention, there are a number of other comets visible through telescopes and binoculars in ...

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside ...

It has been a few years since we’ve seen a decently bright comet grace the nighttime sky, but one is now passing through our celestial neighborhood. It certainly won’t compare to the rare cosmic ...

This week's night sky will include a new comet that hasn't flown past Earth in over a thousand years -- and it won't be ...

Interstellar comet 3I/ATLAS has reached its closest approach to the Sun, a critical moment for astronomers to observe its ...

Some Minnesotans were treated to an astral spectacle late Wednesday night, as what appeared to be a meteor flashed across the ...