A new mobile passport encourages travelers to visit historical sites around Arizona and redeem rewards. Here's how to get the ...

Other good stops for stargazing are on Palomar Mountain, “especially going down East Grade Road and overlooking Lake Henshaw.

M11 is best viewed in the hours between sunset and midnight in August, when the cluster can be found roughly 40 degrees above ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out on the evening of August 26 and observe the ...

Sporting the world’s largest digital camera, the new telescope is poised to help solve some of the universe’s biggest mysteries.

An ‘extremely stripped supernova’ confirms the existence of a key feature of physicists’ models of how stars produce the ...

Astronomers at Leiden University have detected rare isotopes of carbon and oxygen in our neighboring stars for the first time ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Researchers may have finally cracked the age-old mystery about the origins of Earth's water, and the answer might be related ...

Hungry to see what lies beyond Earth, Radhika Aligh heads to South America to see if she can discover celestial objects ...

Asteroid Bennu—the target of NASA's OSIRIS-REx sample return mission, led by the University of Arizona—is a mixture of ...

Tech pioneers Dave Copps and Taylor Shead explain how artificial intelligence is transforming the way companies operate, ...