NASA's MSL Curiosity missionSource Images: NASA/JPL-CaltechWith its rover named Curiosity, Mars Science Laboratory mission is part of NASA's Mars Exploration Program, a long-term effort of robotic exploration of the red planet. Curiosity was designed to assess whether Mars ever had an environment able to support small life forms called microbes. In other words, its mission is to determine the planet's "habitability."
“The spiral nebula 51 M” A sketch of the Whirlpool galaxy (M51). From before anyone knew what galaxies were.
Spacecraft Embarks on Historic Journey Into Interstellar Space
NASA's Voyager 1 spacecraft is officially the first human-made object to venture into interstellar space. The plasma wave science team determined Voyager 1 first entered interstellar space in August 2012.