The sole survivor on a desperate, last-chance mission to save both humanity and the earth, Ryland Grace is hurtled into the depths of space where he must conquer an extinction-level threat to our species.

A young astronaut is trying to find life on Mars, but he's made a very big oversight.

"It's time to start the colonizing the solar system. Ex-astronaut, current space advisor, and all-out trouble shooter for the President, Jake Ross, is determined to make it happen. And what better way to return to America's glory than by returning to the moon and setting up a permanent moon-base which can then serve as the launching pad for Mars and beyond. But as usual, political intrigue and conflicting priorities are threatening the whole program....

When astronauts land on Mars, their first discovery is a substance not unlike pie filling and Kate and Henry are eager to go taste some, but Grandpa, who may have some inside information, discourages them.

Alerted to a global energy crisis, the President consults with the World's Best Scientist, who suggests sending a special group of astronauts to turn the Moon into a solar power plant.

On a cold spring night in 1952, a huge meteorite fell to earth and obliterated much of the east coast of the United States, including Washington D.C. The ensuing climate cataclysm will soon render the earth inhospitable for humanity, as the last such meteorite did for the dinosaurs. This looming threat calls for a radically accelerated effort to colonize space, and requires a much larger share of humanity to take part in the process. Elma York's experience...

The CatStronauts--elite cat astronauts--are aboard the International Space Station to repair the faulty Hubba Bubba Telescope, but have to contend with communications interference and a near disaster that leaves them down a member.

Heroes Major Meowser, Pom Pom, Blanket, and Waffles celebrate their victories only to engage in a space race against the CosmoCats, who are months ahead in their plans to become the first felines to reach Mars.

Babies demonstrate what it takes to become an astronaut, from working in small spaces to growing healthy teeth to eating from plastic containers.