Skippyjon Jones, the Siamese cat that thinks he is a Chihuahua dog, has an adventure on Mars.

While waiting to leave Mars before it burns up just like the Earth before it, Liam and his friend Phoebe discover some facts about time and space and realize that the human race is just one of the races trying to survive in space.

Captain Cat and Pilot Matt fly their spaceship off to Mars, where they make new friends among the stars.

A mouse stowaway on NASA's first human mission to Mars becomes a hero when one of the landing craft's engines fails. Includes facts about Mars.

"Bell has spent his whole life - all eleven years of it - on Mars. But he's still just a regular kid - he loves cats, any kind of cake, and is curious about the secrets the adults in the US colony are keeping. Like, why they don't have contact with any one on the other Mars colonies? Why are they so isolated? When a virus breaks out and the grown-ups all fall ill, Bell and the other children are the only ones who can help. It's up to Bell to uncover...

Finally reaching Oliver Pruitt's colony on Mars, Mars Patel soon realizes that there are other inhabitants on the planet and must survive long enough to discover the planet's dark secrets and why Pruitt is so invested in him.

"Follows the animal team as they encounter all kinds of droids and robots, from mini vacuums to self-driving cars and rovers on Mars"-- Provided by publisher.

The Roversaurs--half spacecraft and half dinosaur--call on the expertise of their fellow dino-machines, the Diggersaurs--half construction truck and half dinosaur--to help them build a Martian base.