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 ...

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.

Comet Leonard, which has been a visual treat for astronomers for several weeks, is on its way out of the solar system—but it might still be possible to catch a glimpse of it depending on one's ...

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.