746K views · 1.7K reactions | Humanity’s greatest explorers aren’t always human. Join us as we celebrate the achievements of the Mars Exploration Rovers Opportunity at the completion of a 15 year mission: https://go.nasa.gov/2SxMkjK | NASA Jet Propulsion Laboratory | Facebook

2.5M views · 27K reactions |  Did Mars Once Flow with Water? This...

After tracking methane levels on Mars over the past few years, Elizabeth Rampe, NASA Exploration Mission Scientist, breaks the news that there is a cycle in the gas that could be caused by possible life. | Ancient Aliens

73K views · 4.8K reactions | In preparation to search for ancient life on Mars, our #Mars2020 rover scientists visit the Australian Outback to investigate the oldest evidence for life on Earth. Though seemingly unrelated, the two locations share some eerie similarities. Details: https://go.nasa.gov/33TjgoD | NASA - National Aeronautics and Space Administration | Facebook