Comet Leonard, which last passed by Earth 80,000 years ago, has been dazzling the night sky before Christmas, and there's only a few days left to see the celestial object before it disappears forever.

(CNN) — There is a new comet in town, and December is your only chance to see it in the Northern Hemisphere. Astronomers say that comet Leonard is our best and brightest comet to see in 2021. The ...

Right now a comet is hurtling through our solar system at more than 137,000 miles per hour. But it is not just this interstellar object’s speed that has earthly astronomers glued to their telescopes.