Meet the Landsat pioneer who fought to revolutionize Earth observation

China launches hyperspectral Earth observation satellite

About 506 million years ago, a strange marine creature whose body so resembled a science-fiction spacecraft that it has been dubbed 'the mothership' thrived in tropical seas, menacing prey on the ocean floor in what is now Canada as one of Earth's largest predators to that point in time.

Who Was King Before T. rex? Dinosaur Fossil Reveals New Apex Predator