Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...

All seven planets will be visible this time around, meaning Venus, Mars, Jupiter, Saturn, Mercury, Neptune and Uranus. (Earth, of course, is the eighth planet, and poor Pluto was demoted in 2006 ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

Pollux and Castor and the brilliant planet Mars. Since Mars is the brightest of the three points, I suggest we call it "The Mars Triangle." The brilliant yellow-orange light of Mars (magnitude ...