Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

It’s been pretty cold recently, so you may need to channel your inner polar bear to get a good view of the ongoing planetary alignment this month. In the coming weeks, Mars, Jupiter, Uranus, Neptune, ...

To the left of Venus, brighter than the stars but not at the same level as Venus, you'll find Saturn. The two planets will remain visible to the naked eye for about three and a half hours.

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

A parade of planets will be visible to skywatchers around the globe through the rest of this month and into February.

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...

Compared with Mercury, the paths of the four outer giant planets, Jupiter, Saturn, Uranus and Neptune minorly deviate from the ideal orbital shape. A planetary scientist at the University of ...