Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA Comets — those ...

Fifteen years ago on this day, the comet Hale-Bopp made its closest approach to Earth, at a distance of 1.315 AU (1 AU = 93 million miles). The comet had been discovered independently by two amateur ...

On March 22, 1997, a super bright comet by the name of Hale-Bopp made its closest approach to Earth. It was bright enough for people to see without telescopes or binoculars for over 18 months. Comet ...

Add Yahoo as a preferred source to see more of our stories on Google. HUDSON TWP. — This has been a really good year for astronomical phenomena. In April, we had a total solar eclipse visible from ...