Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the ...

Through out January and February six planets – Venus, Mars, Jupiter, Saturn, Uranus and Neptune – have been visible in the night sky. During just one night – 28 February – they will be ...

The first planet from the sun is also one-third the size of Earth, with a radius of 1,516 miles ... the remaining three gas giants – Jupiter, Uranus and Neptune – have faint rings.

A new study suggests Uranus' moon Miranda may harbor a water ocean beneath its surface, a finding that would challenge many ...