Earth Day also falls during National Park Week. Celebrated for 55 years, one billion people in 193 countries host events and ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

Nine people are crammed in a tiny room with no ceiling on the grounds of Kitt Peak National Observatory ... here in southern Arizona.” The night sky and the Milky Way above Kitt Peak Observatory.

It is not as strong as the sun, but fitted with a powerful 3,333-watt light source—the equivalent of a typical flood lamp in a stadium—it is enough to turn night into day instantaneously.

On Fridays this month, the UW-Milwaukee planetarium's "Stars in the Tropics" takes stargazers to cities near the equator for a different perspective on the night sky. While we’re certainly not ...

However, if you're fascinated by caves and underground passageways, Mammoth Cave National Park in Kentucky should be higher on your list. The park has over 400 miles of underground passageways and ...

The gallery said the winner would be able to "see over 1,000 ... Though the National Gallery said this would be its first official sleepover, it has hosted late-night events before.

Tubman's photo and quote were removed from the page in February. A National Park Service webpage about the Underground Railroad has been restored to its original state months after it was changed ...

These are the four best spots for stargazing near San Diego! Plan your next dark-sky trip in or night photography in SoCal. The post Where to Go Stargazing Near San Diego: 4 Best Dark Sky Locations ...

A National Park Service webpage about the Underground Railroad has been restored to its original state months after it was changed to remove abolitionist leader Harriet Tubman from the top of the ...

After starting 8-0, the Dodgers have lost three of four. Ohtani tied it at 2 when he drilled a 2-0 fastball from Gore over the right-field fence for a two-run shot in the third, his fourth homer ...