Running shoes – how many miles can you get out of a pair?

Vast, City-Sized Lake Discovered Miles Below The Antarctic Ice Sheet

Check out this AMAZING photo of the sun (from a mere 46.6 million miles away)

Earth’s first set of secondary impact craters discovered in Wyoming. Scientists are now seeking the giant primary impact crater responsible, which would be about 31 to 40 miles (50 to 80 km) wide and buried beneath some 280 million years worth of sediment.