Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks.

The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN) , are visible from the Northern Hemisphere now as their orbits take them through our cosmic backyard on their journey around the sun.

Two comet appearances in the same month are very uncommon.

Both celestial objects can be seen with binoculars or small telescopes through the end of October. Comet Lemmon may be visible to the naked eye when it reaches its closest point to Earth, and is therefore at is brightest, on or around Oct. 21.

Already, some skywatchers have caught sight of these icy wanderers. Cambridge researchers using the James Webb space telescope say they have detected two gases

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