Earth

It won't happen for another 20 years. Here's where and when to watch.

This weekend, the first and last 'Supermoon' of 2017 will appear for all to see, appearing larger and brighter than it has all year.

File this under "unexplained phenomena." Or "fantastic internet hoax." You decide.

A giant asteroid the size of a football field is scheduled to pass through Earth’s atmosphere over the weekend. Scientists say that the 330-foot-wide fiery rock will miss striking the Earth’s surface by nearly 600,000 miles - about three times the distance between our planet and the moon.