The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...

So too each rover uses its three-jointed arm to wield equipment including a camera and a tool for grinding into Mars rocks. Rock-breaking brings up the essential reason to muse over these robots ...

fun facts, humor, cleaning, travel and tech all week long. All the planets in our solar system have summer solstices. On Mars, the solstice occurs a few days after Earth’s, in June. On Uranus ...