79K views · 4.1K reactions | ‍  A historic first on the Moon ️ 敖 Spacecraft arrivals at Jupiter and Saturn   Mars launches and landings Space exploration doesn't take a summer break! A look at NASA History milestones from the month of July: | NASA - National Aeronautics and Space Administration | Facebook

Here’s a big question: How did life begin on Earth? We don’t quite know, but this fundamental question is a driving force behind astrobiology research at NASA. Understanding how life originated on our planet could inform us about the potential for life to exist throughout the universe. Astrobiology expert Shawn Domagal-Goldman explains more about our search for answers. Explore more about astrobiology at NASA: https://astrobiology.nasa.gov | NASA - National Aeronautics and Space Administration

Before there was NASA, America’s first satellite – Explorer 1 – was launched into space. It established a 'foothold in space' for our future exploration and discovery – a mission that continued as astronauts traveled to the Moon, Earth orbit, the International Space Station and will do so on future missions. More: http://go.nasa.gov/2FupSNJ #ExploreAsOne | NASA - National Aeronautics and Space Administration