For decades, Egyptologists suspected a lost river once flowed past the pyramids. Now, satellite data confirms it — a 64-kilometer branch of the Nile that may have delivered stone for 30 pyramid sites.

Cruise editor Marc Shoffman selects some of the best sailings to enjoy natural and man-made wonders in your lifetime ...

The American Food Pyramid has been flipped, with red meat now sitting firmly at the top of recommended foods alongside fruit ...