The crescent moon will be visible 20 degrees above the western horizon at sunset on July 28, with Mars appearing as a bright ...

The helicopters will scout the Martian surface to help prepare for a human landing on the Red Planet.

"With six helicopters, Skyfall offers a low-cost solution that multiplies the range we would cover, the data we would collect ...

Visible on the planet itself is a dark patch near the top, marking the frigid northern polar cap, where temperatures dip to ...

A conjunction between a crescent moon and Mars joins an ongoing display of 'shooting stars,' making July 28 one of the best ...

On the slopes of Martian mountains and craters clings what appears to be flowing honey, coated in dust and frozen in time. In ...

Planned moon and Mars missions require timely communications and navigation systems, which is prompting NASA officials to ...

The aerospace technology firm on Thursday unveiled the concept, which it described as a system for potential future ...