(The map below is updated on Fridays when the CDC releases its latest weekly numbers.) The last measles death in the U.S. before this year was in 2019, when a 37-year-old man died from measles ...

Mountains. Rainforests. The ocean. These critical Earth systems provide some of the most basic needs for life on Earth: water, oxygen, a stable climate. But these systems are increasingly at risk ...

Kozy, Poland (CNN) — Karolina Duzniak has lived in the drowsy, tree-dotted Polish village of Kozy for 26 years. But she doesn’t feel herself until she gets into her car each morning, shuts the ...