NASA's Deep Impact spacecraft has beamed down the first of over 64,000 images it will be taking of Comet Hartley 2.

During a long drive on Labor Day, NASA's Mars Exploration Rover Opportunity reached the estimated halfway point of its journey from Victoria Crater to Endeavour Crater.

Two asteroids, several meters in diameter and in unrelated orbits, will pass within the moon's distance of Earth on Wednesday, Sept. 8.

Cruising past Saturn's moon Dione this past weekend, NASA's Cassini spacecraft got its best look yet at the north polar region of this small, icy moon and returned stark raw images of the fractured, cratered surface.

The ATHLETE rover is poised to go 40 kilometers in the Arizona desert as part of the 2010 Desert RATS test.