Hacker Steals $610M of Cryptocurrency—and Returns Most of It

Plus: An Apple lawsuit, a VPN audit, and more of the week’s top security news. Read more »

Want to Slash Carbon Emissions? Start With These Power Plants

The worst 5 percent of energy producers account for almost 75 percent of the sector’s emissions. Read more »

Want to Slash Carbon Emissions? Start With These Power Plants

The worst 5 percent of energy producers account for almost 75 percent of the sector’s emissions. Read more »

Eastern Hemlocks Face Extinction. A Tiny Fly Could Save Them

An invasive insect called the woolly adelgid is eating the Northeast’s forests alive. So some researchers are calling in hungry silver flies. Read more »

Eastern Hemlocks Face Extinction. A Tiny Fly Could Save Them

An invasive insect called the woolly adelgid is eating the Northeast’s forests alive. So some researchers are calling in hungry silver flies. Read more »