Extinction

Jacob Haqq-Misra and Eric Wolf, researchers with the charity Blue Marble Space, argue in their recently published paper that Earth could stay green for nearly 1.9 billion years or more, depending on how the future plays out.

Forget the collapse of employment, forget the spam and misinformation, forget human obsolescence and the upending of society. Some believe AI is flat-out going to wipe out all of biological life at its earliest opportunity. Here's how and why.

In Hokkaido, Japan's winter months, harmless underwater algae balls are protected from death by an ice shield. That shield is expected to thin thanks to global warming, causing the balls to join the list of species threatened by climate change.