Meet Mars! The red planet. Planet Marvelous. Favorite sibling of Earth (or so he claims). Sometimes they're close (just 34.5 million miles apart). Sometimes they need space (250 million miles apart)! Earth and Mars have a lot in common--clouds, mountains, polar icecaps. And while Earth has Earthlings, Mars makes a persuasive case for why people should make the journey to spend time with him. His day is 7 minutes longer! He is home to the largest volcano...

Presents the story of whale sharks-- the largest fish on the planet. Facing threats from commercial fishing as well as climate change, they were categorized as endangered in 2016. Despite the marine sanctuaries set aside to protect whale sharks, their population is still decreasing. These gentle giants may be accidentally caught in fishing nets, fished by poachers, or hit by a ship's propeller. But new conservation methods, which include enlisting...

"Since the discovery of Mars, people have wondered if there could be life there. This book has the latest news about the exploration of Mars and the scientific breakthroughs that will finally let us answer this question."--