On January 21, 1960, a monkey named Miss Sam launched on a Little Joe rocket to help NASA test the launch escape system for ...

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 ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the ...

Close-up images from NASA’s MESSENGER spacecraft revealed that Mercury’s surface records impacts of almost unimaginable scale. Bright ray systems radiate from certain craters, stretching hundreds and ...

Monumentally important, this is the first image of an American astronaut in space. In the Project Mercury spacecraft named Friendship 7, John Glenn became the first American astronaut to orbit Earth.