Moon trees are descendants of the seeds astronaut Stuart Roosa brought with him on Apollo 14 in the 1970s. U.S. Sen. Mark ...

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. The main reason for Pluto's demotion is that it's not able to "clear its orbit of debris." Other ...

FLAGSTAFF, AZ — Nestled atop Mars Hill in Flagstaff, Lowell Observatory has been a cornerstone of astronomical discovery since 1894 — and it’s still inspiring curiosity today. Home to the iconic ...

Lowell Observatory in Flagstaff was recently named one of TIME's World's Greatest Places of 2025 and Newsweek's best science museums in the United States. The observatory is known for its historical ...

FLAGSTAFF, AZ (AZFamily) — Lowell Observatory has done a lot for astro-tourism in Arizona. With the opening of the new astronomy discovery center, it hopes to connect more people to the stars. The ...

Explore Bisbee via jeep tours, walking tours and ghost tours. Go underground with retired miners on the Copper Queen Mine Tour. Stroll Erie Street in nearby Lowell, AZ, and eat at the original Bisbee ...