Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

Then, on February 24, there's a breathtaking planetary parade, when Venus, Jupiter, Mars, Mercury, and Saturn line up in the night sky. Mercury and Saturn will appear particularly close during ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.

Frozen fuel from the Falcon 9 rocket launched Monday created a luminous display for several minutes, and was seen by people ...