NASA continues to press ahead through the countdown for the Artemis II wet dress rehearsal – a fueling test of the Space Launch System (SLS) rocket. The historic crewed mission, which will fly ...

Jan. 31 marks the day Ham, a chimpanzee, was launched into sub-orbital space in a Mercury capsule aboard a Redstone rocket to ...

For decades, Mercury has been seen as astatic, heavily cratered planet, a relic of early Solar System history. Its surface, ...

On January 31, 1961, a chimpanzee named Ham became the first hominid to travel into space, marking a critical milestone in ...

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

From Mercury & Apollo Missions to the Space Shuttle Program, Mars Rover Landings, & Artemis II.

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.

Learn about the bright streaks that may represent recent geological activity on Mercury, which has been considered a dead ...

Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions were powered by equal parts of competition, innovation, and a strong dose of ...