It’s been an amazing week in space exploration.

The Curiosity rover on Mars has uncovered further evidence that “The Red Planet” may have once had a great lake. Plus, NASA has released incredible new photos of Saturn that give a never-before-seen view of the sixth planet from the Sun.

Bill Nye said on “America’s New Headquarters” today that we are learning that the moons of Saturn are changing over the years. A joint mission between NASA and the European Space Agency discovered that the surface of the moons have changed noticeably, just in the past decade.

“The more we learn about these other places in the Solar System, the more we learn about the Solar System, and we work our way to answering these deep questions: Where did we come from? How did we all get here? Are we alone in the universe?” Nye said.

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