Florissant resident and astronomy lead for International Dark Sky, Mark Harter captures Comet Lemmon at Florissant Fossil Beds. (Courtesy Mark Harter) One of the greatest things about living in Teller ...
A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust ...
The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at the same time. By Marina Koren If you like comets, this month is shaping up ...
Then there was the September discovery of C/2025 R2 (SWAN), a comet so bright that even when it was near the moon on Halloween, it was still quite visible to observers. And there was comet 3I/Atlas, ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Comet C/2025 A6 (Lemmon) with a glowing green coma and ...
In October 2025, Comet Lemmon and Comet ATLAS may be visible as they streak across the night sky, providing a rare cosmic treat for skywatchers tonight, Wednesday, Oct. 22, amid the Orionid meteor ...
Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.
Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS. When you purchase through links on our site, we may earn an affiliate ...