Comet visible to naked eye
Stargazers are in for a rare treat.
Another comet is zipping by Earth but this one should be visible with the naked eye.
The Pan-STARRS comet is now visible in the northern hemisphere.
In the United States viewers can see the comet during sunset on the western horizon.
Researchers say the best time to look for Pan-STARRS is about 15 minutes after twilight.
This is the fourth asteroid to zoom by Earth over the last week.