Yellowstone National Park's caldera, which covers a 25- by 37-mile (40- by 60-kilometer) swath of Wyoming, is an ancient crater formed after the last big blast, some 640,000 years ago. The simmering volcano has produced major eruptions—each a thousand times more powerful than Mount St. Helens's 1980 eruption—three times in the past 2.1 million years. The supervolcano has recently caused miles of ground to rise dramatically, scientists report beginning in 2004, which saw the ground above the caldera rise upward at rates as high as 2.8 inches (7 centimeters) a year.Is it poised for yet a fourth major explosion?
33 Heart Touching Pictures of Animals with Moms
Saimir Strati, the well-known Albanian master of mosaics has created yet another masterpiece, a giant mosaic made of 300,000 industrial screws.
October 13, 2010 - Steve Saint of I-TEC drove his road-legal flying car from Florida to Oshkosh this summer. Since then the FAA has also issued the Maverick a S-LSA aircraft airworthiness certificate. I-TEC hopes to be in production by EAA Oshkosh 2011. 5 minutes, 57 seconds