NASA has taken a retro approach to promotion for its Journey to Mars program, and the results are enough to encourage you to sign up. Half recruitment posters, half travel advertising, the designs have an endearing, nostalgic vibe. Between NASA and Elon Musk, heading to Mars—once again—is at the forefront of our collective consciousness. You can download them all at mars.nasa.gov.
NASA’s Free Retro Mars Posters