As asteroid 1997 NC1 speeds past Earth this Saturday, many people are wondering whether our planet is in danger. The close ...

While 1997 NC1 isn't a threat, scientists are still keeping an eye. Here's what you need to know.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An unusually large near-Earth asteroid, (152637) 1997 NC1, ...