How Tiger Sharks Used Cameras to Reveal the World’s Largest Seagrass Ecosystem

Editor’s Note: Call to Earth is a CNN editorial series reporting on the environmental challenges facing our planet, along with the solutions. Rolex’s Perpetual Planet initiative partners with CNN to raise awareness and education around important sustainability issues and inspire positive action. Tiger sharks, the largest apex predator in the tropical seas, are notoriously fierce. … Read more

SpaceX launches NASA’s PACE satellite to study Earth’s oceans, air and climate (video)

NASA’s newest Earth observation satellite has made it off the chopping block all the way into orbit. The nearly $1 billion PACE mission, which the Trump administration tried to cancel four times, launched early this morning (Feb. 8) atop a SpaceX Falcon 9 rocket from the Cape Canaveral Space Force Station in Florida. When operational, … Read more