Giant octopuses, up to 62 feet (19 meters) long, were among the top marine predators about 100 million years ago, according to a new study that discovered rare fossils hidden in solid rock. An extremely well-preserved specimen of the octopus’s powerful jaw shows signs of severe wear and tear from crushing hard prey such as … Read more
Aaron Sandel can pinpoint exactly when it all started. On June 24, 2015, the co-director of the Ngogo Chimpanzee Project was observing a herd of great apes in Uganda’s Kibale National Park, where the project is based, when he suddenly noticed that the chimpanzees were silent. Some of the people started frowning, their expressions showing … Read more
Editor’s note: Call to Earth is a CNN editorial series dedicated to reporting on the environmental challenges facing our planet and their solutions. Rolex’s Perpetual Planet Initiative has partnered with CNN to promote awareness and education on key sustainability issues and inspire positive action. Fog hangs low on the slopes of the dense forests of … Read more