September is one of the year's most entertaining and awe-inspiring months to lay on your back on a dark hill and view the delights of the celestial dance in the sky above you as your ancestors once did on a nightly basis. Four of Sol's dance partners will be in the spotlight in September, 2010, taking part in a nightly dance that includes their less observable brothers and sisters, while Mercury will once again dance privately in the eastern sky each morning during September.

More evidence for the case for the presence of water on the Red Planet 

Planetary scientists taking a second look at a Mars outcropping first examined by NASA's Spirit Mars Rover back in 2005 think there could be additional evidence for water on large areas of Mars. In specific, planetary scientists have found high concentrations of carbonate, a mineral that scientists have previously shown to originate in wet conditions that diss...