Happy Statehood Day, Arizona. From Stevie Nicks and the Colorado River to creosote and Camelback Mountain, here's why we love the Grand Canyon State.

Learn about the new perspective on Earth's reduction of moderately volatile elements, a discovery made possible by meteorites ...

Herd confirmed that they originated from an “ordinary chondrite,” the most common type of meteorite which is comprised of nickel and iron, among other elements. He believed that the specimen ...

Herd confirmed that they originated from an “ordinary chondrite,” the most common type of meteorite which is comprised of nickel and iron, among other elements. He believed that the specimen ...

Since the meteorite is neither man-made nor a natural resource ... The results revealed that the nickel content — a key indicator of meteoritic iron — ranged between 0.6 percent and 4.8 percent, along ...