Since its 1990 launch, the Hubble Space Telescope has allowed scientists to peer into the distant universe and begin to understand the diversity of its galaxies. | NOVA l PBS

66K views · 373 reactions | Follow along as NASA launches the Mars 2020 Mission, perhaps the most ambitious hunt yet for signs of ancient life on Mars. "Looking for Life on Mars" from NOVA l PBS is now streaming on the PBS Video app. | PBS | Facebook

13K views · 772 reactions | The first integrated flight of NASA's Space Launch System and NASA’s Orion Spacecraft, Exploration Mission-1, is the first in a series of increasingly complex missions that will enable human deep space exploration to the Moon, Mars and beyond! LEARN MORE >> go.nasa.gov/2Gj2Kpf | NASA's Marshall Space Flight Center | Facebook