Nearly five billion years ago, Earth and Mars were born together as planetary siblings orbiting a young, emerging Sun. Yet today, one planet is water rich and l

"Mars and Earth share many features. Maybe one day, cities full of people will be another thing they share! But how similar are the planets, really? Which featu

"An introduction to the planets Earth and Mars, including their size, features, and orbits, and explorations of Mars"--Provided by publisher.

From writer Stacy McAnulty and illustrator Stevie Lewis, Mars! Earthlings Welcome is a light-hearted nonfiction picture book about the red planet—told from th

This volume reviews all aspects of Mars atmospheric science from the surface to space, and from now and into the past.