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 ...

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 ...

On, NASA marked a major milestone in America’s early space program with the first successful launch of a Mercury-Atlas rocket. [...] ...

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.

But, well before the moon landing, back in 1962, an astronaut called John Glenn got to fly up to space in a rocket, where he saw something that 'he'd never seen anything like' before in his life.

When Soviet cosmonaut Yuri Gagarin became the first human into space on April 12, 1961, the American space program rose to the occasion, and less than a month later, astronaut Alan Shepard became the ...