A geology tour guide has discovered a fossilised dinosaur footprint believed to be 170m years old along the coast near Whitby ...

Scientists analyzing samples NASA brought back from an asteroid got a surprise detection that may mean the space rock was once part ... in a saltwater ocean under ice and known to shoot enormous ...

People then turned to watch the spectacle under a huge cloud ... CHEYENNE, Wyo. — A surprise eruption in Yellowstone National Park shot steam, water and dark-colored rock and dirt high into ...