NASA's Curiosity rover is providing vital insight about Mars' past and current environments that will aid plans for future robotic and human missions.
As satellites become more common, they face growing risk of colliding with space debris and even each other.
The rover is maintaining favorable northerly tilts for improved energy production. In place for the long Thanksgiving Holiday, Opportunity conducted some in-situ (contact) science at another exposed rock outcrop.
One of the crew aboard the International Space Station took this vertical photograph of parts of Texas and New Mexico and the Mexican border area including El Paso and Juarez.
This image reveals a pin-head sized view of an object which is actually the comet ISON.