An unmanned spacecraft that was sent to rescue a falling NASA space telescope now needs an intervention of its own. NASA’s Neil Gehrels Swift Observatory was launched in 2004 to observe gamma-ray bursts,

NASA's Curiosity rover just made a strange discovery. The vehicle stumbled upon honeycomb-like patterns of polygons on the surface of the Martian valley known as "Valle Grande" last month. While this isn't the first time the mission has seen the polygonal shapes,