Update for 5:40 p.m. EDT: The "ring of fire" annular solar eclipse of Oct. 2 amazed skywatchers across the southern Pacific and South America. See stunning photos and videos in our full story. On Oct.

The World Cup is coming back to North America for the first time since 1994, which means the hype machine is officially warming up and there’s no turning it off now. Over the next few months, Yahoo ...