<p>Did life ever exist on Mars? The Perseverance rover is working hard to find out by studying rocks on Mars, and we ask NASA geologist Katie Stack Morgan which rocks could tell us definitively that Earth is not the only living planet in the universe.</p>

Did life ever exist on Mars? The Perseverance rover is working hard to find out by studying rocks on Mars, and we ask NASA geologist Katie Stack Morgan which rocks could tell us definitively that Earth is not the only living planet in the universe.

Which Mars Rocks Are Best?

We hear amazing questions in the exhibit halls of the Museum of Science, Boston. Do woodpeckers get headaches? How many colors are in the rainbow? Who gets to drive the Mars rovers? Pulsar features short interviews with our education staff along with scientists, engineers, and experts from around the world in order to find the answers.

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Which Mars Rocks Are Best?

Which Mars Rocks Are Best?