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 ...

The brightest comet to whiz past Earth in 2021 has likely disintegrated. Comet Leonard is now nothing but a ghostly streak, having lost its nucleus, or main body, and its coma, or temporary atmosphere ...

Last December, the “Christmas Star” was the big sky event that was drawing lots of attention. But this month the buzz is focused on another cosmic holiday treat — the “Christmas Comet.” The newly ...

Already the brightest comet of 2021, Comet Leonard is undergoing outbursts of light, with the latest occurring on Monday. The comet increased in brightness by 10 times in its latest outburst, ...

As Comet Leonard makes its way through our solar system, a Chinese satellite has spotted it through an aurora. Yangwang 1 is a small Chinese satellite owned by Origin Space, launched in June 2021, and ...

Comet Leonard is falling out of view, but not without putting on one last show. Discovered just a year ago, the comet, formally known as Comet C/2021 A1, made its closest approach to Earth on Dec. 12, ...

Two sun-observing spacecrafts have caught a glimpse of Comet Leonard as it heads for a close encounter with our star on January 3, 2022. The comet, also known as C/2021 A1, is the brightest object of ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. In the wake of its brightening last week reports are coming ...