Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...

This January and February, skywatchers have had the chance to witness a rare planetary alignment in the night sky. Six ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

This is the last time the seven planets will appear together in the night sky until 2040. Here's when it's happening – and ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...