The "large" creature with "thornlets" down its back had been previously misidentified as two different species, researchers ...

The sharpest images of the universe are created when radio telescopes around the world work together. For the first time, the ...

A large black and white tegu lizard spotted on the loose in California was safely captured by employees at a public park.

There is no fossil formation on the planet quite as memorable as the Hell Creek Formation, stretching across rocks that make up parts of modern day Wyoming, Montana, North Dakota and South Dakota.