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

As Venus approaches its inferior conjunction, astrophotographers have snapped some striking shots of the crescent planet ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and ...

Their names can be readily identified on standard ... 8, 2040, when the five brightest planets — Venus, Jupiter, Mercury, Saturn and Mars — will fit inside a circle 9.3 degrees in diameter.

Since Venus and Mercury are "inferior" planets compared with the Earth — meaning their orbits are closer to the sun, according to NASA — they create inferior conjunctions when swinging between ...