Only discovered in September, Blueish-green Comet SWAN (C/2025 R2) is destined to become visible to observers at mid-northern ...

See stunning photos of Comet C/2025 A6 (Lemmon) as it brightens ahead of a possible naked eye appearance in mid-October.

Comet C/2025 A6 (Lemmon) is just weeks away from a close approach to Earth that could make it visible to the naked eye in the ...

The comet will continue to brighten after that, likely reaching its brightest around October 31 or November 1, at which point ...

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

If we want to throw in a fourth green comet, then you’ll be happy to know that our third interstellar visitor, comet 3I/ATLAS ...

Comet C/2025 R2 (SWAN) may be making its debut in our northern horizon night skies for a short period of time. This is a rare ...

Comet Lemmon, a potential “comet of the year,” may glow as a bright green comet in October and November 2025. Here’s everything you need to know.

A long-tailed comet named C/2025 R2 (SWAN) was first spotted near the sun on 12 September. NASA’s Solar Dynamics Observatory ...

This year, the October sky could offer a rare spectacle: two comets are expected to become visible simultaneously. The first, discovered recently, follows an extremely long orbit. The ...

While Comet C/2023 A3 (Tsuchinshan-ATLAS) was visible via binoculars during a near approach to Earth in October 2024, the ...

Skywatchers are in for a treat this October. Two comets, C/2025 R2 (SWAN) and C/2025 A6 (Lemmon), may become visible to the naked eye. Both comets will approach Earth around October 21. The Orionid ...