Arizona is an ideal spot to see the Milky Way thanks to its numerous dark-sky places. Here's the best time to see - and ...

Lowell Observatory Historian Kevin Schindler runs a detective story at the Grand Canyon to recreate a famous photo of Neil ...

A massive meteor crater in northern Arizona continues to attract visitors and spark curiosity about space and science, ...

Earth in what is now known as Northern Arizona. It left a giant crater that draws people from all over the world. Nestled ...

A monumental discovery has revealed that an asteroid struck the East Coast of North America roughly 35 million years ago, leaving behind the continent’s largest known impact crater, now buried beneath ...

Asteroid Day reminds us of space rocks' power. Some asteroids hit Earth hard. One exploded over Chelyabinsk in 2013, injuring ...