populations
Octopus DNA seems to confirm scientists’ theory about a long-standing geological mystery
Science
Dr. Sarah Adams
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A study of ...
Lizards, fish and other species are evolving with climate change, but not fast enough
Science
Dr. Sarah Adams
Climate change is threatening the survival of plants and animals around the globe as temperatures rise and habitats change. Some species have ...
Mosquitoes are driving these birds to extinction. With only 5 left in the wild, scientists are racing to save the species
Science
Dr. Sarah Adams
Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with ...
