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
The Hubble Space Telescope revisited the Crab Nebula for the first time in 25 years to reveal detailed images and track its rapid expansion. located 6,500 light years away The Crab Nebula in Taurus is the remains of a supernova that exploded about 1000 years ago. This fresh set of images provides an unparalleled perspective … Read more
A little-known federal agency that kills wild animals at the request of ranchers and farmers accidentally killed two federally protected wolves in southern Oregon last summer. The Oregon Department of Fish and Wildlife’s annual wolf population report, released Friday, reveals for the first time the accidental killing of gray wolves. It is only mentioned in … Read more
Human society has not simply adapted to the natural world. They steadily learned how to change that. Arlie Ellis, professor of geography and environmental systems at the University of Maryland, Baltimore County, draws on research in archaeology, ecology, anthropology, and evolutionary theory to explain how cultural practices have evolved to exert extraordinary influence on the … Read more
Gravity is so strange that cosmologists are essentially forced to agree on one of two equally radical conclusions: either dark matter exists or the fundamental rules of gravity require major modifications. To settle the debate, scientists embarked on the largest-ever study of gravity and discovered that old physics wisdom is powerful when it comes to … 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