Experts say decades of efforts to extinguish fires at the first sign of smoke combined with climate change are setting the stage for a massive wildfire in Northern California and scores of smaller ones in the western United States and Canada. These fires are spreading faster than in the past and are harder to fight.… Read More »
BADINGILO and BOMA NATIONAL PARKS, South Sudan (AP) — Seen from the air, they undulate across the landscape; A river of wildebeest racing across the vast grasslands of South Sudan in what conservationists say is the world’s largest land mammal migration. Nearly 6 million wildebeest were found in the country’s first comprehensive aerial wildlife survey,… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific breakthroughs and more. Hundreds of monumental stone heads dot the coastline of the remote Pacific island of Rapa Nui, or Easter Island. Settled by a small band of Polynesian sailors nearly 900 years ago, it is a fascinating… Read More »
Editor’s Note: Call to Earth is a CNN editorial series that aims to report on the environmental challenges facing our planet with solutions. Rolex’s Perpetual Planet initiative has partnered with CNN to raise awareness and education about key sustainability issues and inspire positive action. Tiger sharks, the top predator in tropical seas, are renowned for… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific breakthroughs and more. Space scientists trying to understand the mysterious origins of powerful cosmic rays have detected an extremely rare, ultra-high-energy particle that they believe came to Earth from beyond the Milky Way galaxy. The energy of this… Read More »