Wouldn't it be great to have a comet appear that's bright enough to be seen in broad daylight? That's exactly what happened 100 years ago this week.

So you think you’ve found a comet? Here are some steps to follow in verifying your find.

Comets are notorious for not following predictions, but even judging the magnitude of a bright comet that's right in front of you is not straightforward.

Although large, bright comets are infrequent visitors to our skies, faint comets appear on a regular basis. Here are some observing hints that will make your comet-watching more enjoyable.

Thanks to a generous bequest, each year amateur astronomers earn a beautiful plaque and a cash prize for discovering one or more comets.