Two comets are set to light up the night sky, one of which will not be seen again for over 1,000 years. C/2025 R2 (SWAN) and C/2025 A6 (Lemmon) are expected to be visible across the country this month ...

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

This coming autumn brings a thrilling lineup of comets visible from both hemispheres, framed as a “parade of comets” for skywatchers to enjoy—made all the more compelling through coordinated ...

The article advocates for imaging the dozens of fainter comets visible annually, serving as a valuable opportunity for astrophotographers to enhance their technical skills with existing deep-sky ...

A pair of once-in-a-lifetime comets is rocketing through our skies right now, and it's a rare treat because they won't be back for hundreds of years. The comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

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 ...

Get ready for a once-in-a-lifetime spectacle on Monday, Oct. 20 Getty The Orionid meteor shower will peak overnight Oct. 20 through Oct. 21, while Comet Lemmon and SWAN make their closest approach to ...

During the past few years, we have witnessed a bumper crop of bright naked-eye comets, beckoning us to set up a camera and record their beauty to share with friends and family. However, the next great ...