It’s called a seismometer, and it’s housed under a building known as the William Spain Seismic Observatory. It’s easy to stroll past the austere Gothic structure and overlook its 100-year ...

Arizona's desert landscape is perfect for stargazing. In Tucson, you can visit a historic observatory with one of the most ...

The Empire State Building’s owner reported a 12% decline in visitors to its popular observatory last quarter, which officials ...

The 36-inch Great Refractor Telescope was built from 1880 to 1888. Located in the larger dome of the main observatory building, it is 57 feet long, 4 feet in diameter, and weighs over 25,000 lbs.

A star was born in 1935, when Griffith Observatory became the first public observatory west of the Mississippi. Now, ...

Formerly known as Freedom Tower, One World Trade Center is the main building of the rebuilt World Trade Center complex in lower Manhattan. This observatory sits atop the tallest building in the ...

The Empire State Building observatory saw a slowdown in ticket sales during the first quarter of 2025, according to Empire State Realty Trust ’s earnings report released Wednesday, as the country ...

The South Observatory closed temporarily for renovations earlier this year, but it officially reopened its doors on Wednesday ...