Comets pass through our skies frequently, but not many manage to crack naked-eye brightness. That’s why, when one gets close to or crosses that threshold, it’s worth taking notice. And now, it’s time ...

Sharp-eyed skywatchers are getting ready to see a comet glide past Earth next month, in its first visit in an estimated 70,000 to 80,000 years. The comet, called C/2021 A1 Leonard, was discovered at ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Comet Leonard on December 5, 2021 taken before dawn in ...