The world of comets
A noted comet discoverer reflects on comets and the meaning of life.
Today, comets are a sight to behold, but for most of history they were seen as harbingers of doom.
These mysterious iceballs are key to understanding our solar system’s history.
Whether viewed through binoculars or a telescope or with your naked eyes, tracking down these celestial visitors is a rewarding challenge.
Take a trip down memory lane to revisit the most spectacular comets of the past half- century.
These fleeting beacons from the outer solar system make for fantastic shots.
Specters of comets have filled the night sky across the eons. Here are some of the recent best.