This week in science: Learn about the alarming decline of butterfly populations in America and the rare opportunity to spot Mercury in the evening sky. Plus, a look at the polar vortex collapse. Read more...

A severe snowstorm caused widespread traffic disruptions in Madrid, stranding hundreds of drivers for hours. Eight Spanish regions are under weather alerts. Read more...

From Iowa blizzards to declining butterfly populations and a wonky moon lander, the US is facing a mix of challenges and advancements. Here's a quick look at the latest headlines. Read more...

A Brazilian court has ordered Apple to allow app sideloading within 90 days. Plus, keep your Apple devices charged during emergencies with Bluetti power stations and rumors of a super thin iPhone 17 Air. Read more...