Videos capture the horrifying moments a Standford swimmer floats in the pool and later collapses following a grueling race.

Play it today, and Assassin's Creed Unity is a reminder of what the series can be when it focuses on a single city. You can tidily wrap up Unity and its expansion Dead Kings in 40 hours without ...

Add Yahoo as a preferred source to see more of our stories on Google. The Portuguese man-of-war isn’t a jellyfish but a floating colony of genetically identical organisms that work together as one ...

It looks like a child lost their floaty toy, right? But whatever you do, don’t try to pick it up. That ain’t no floaty toy. That translucent, bubble-like object bobbing along the surface, its colors ...