Spirit Rover: Mars' Tireless Explorer

Spirit Rover: Mars' Tireless Explorer

Published: January 18, 2026

Duration: 1:50

# Astronomy Tonight Podcast

This is your Astronomy Tonight podcast.

Good evening, stargazers! Today we're celebrating one of the most dramatic and humbling moments in the history of space exploration. On January 18th, 1911, the Solar and Heliospheric Observatory—well, okay, that's a *future* event, but let me tell you about the *actual* January 18th moment that'll blow your mind!

On January 18th, 2004, NASA's Spirit rover triumphantly rolled onto the surface of Mars in Gusev Crater, making it the first of two rovers to land successfully in what would become one of the most successful robotic ex...