Mercury has long been cast as the solar system’s burnt-out rock, a relic too small and too close to the Sun to hold many surprises. That caricature is now collapsing. New analysis of NASA’s MESSENGER ...

Mercury, the smallest planet in the solar system, holds an outsized secret that some researchers believe could reshape how ...

Forget Pluto, a hidden Mickey Mouse lives on Mercury. A NASA spacecraft has captured a spectacular photo of Mercury craters arranged in a shape that looks just like Disney's iconic cartoon mouse. The ...

Calling its journey "as close to perfect as you can get, NASA announced its Messenger spacecraft has reached Mercury and is orbiting as close as 124 miles above the solar system's innermost planet.

NASA and the USGS created a topographic map of the closest planet to the sun. It's a view of Mercury that no one has ever seen before. They did it by using more than 100,000 pictures taken from NASA's ...