The image composite is just one of hundreds that the infrared observatory produced during its 16 years in space.
To honor the day's 50th anniversary, NASA's JPL has unveiled posters in which our home planet is the star.
While the star it orbits is much smaller than our Sun, it gets about 75% of the sunlight Earth does. NASA's Jet Propulsion Laboratory managed Kepler mission development.
By mimicking rocky seafloor chimneys in the lab, scientists have produced new evidence that these features could have provided the right ingredients to kick-start life.
The Mars mission has learned to meet new challenges while working remotely.
From podcasts to live Q&A sessions to image galleries, the agency offers an entire world of ways to celebrate and learn more about our home planet.
The team also fueled the rover's sky crane to get ready for this summer's history-making launch.