The Cassini spacecraft successfully performed a critical six-minute trajectory correction maneuver May 27th to put it on course with its first encounter, Saturn's outermost moon Phoebe, set for June 11th. The spacecraft is operating normally and is in excellent health. "The maneuver is very critical...
NASA's solar-powered Mars Exploration Rover Opportunity is beginning on Thursday what controllers expect to be frequent use of an overnight "deep sleep" mode to stretch the robot's power supply. Opportunity has managed only one to two hours of activity on many recent days while it has been examining...
Say "NASA" and most people immediately think "space exploration." But space also offers a unique vantage point for observations of Earth, and NASA devotes significant resources to scientific projects aimed at understanding our own planet and our impact on it. This is the first of three articles abou...
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