"Actually, the comet reached its peak brightness on Oct 4, but it was too close to the sun for humans to see with the naked eye," explained by Wang Kechao from Purple Mountain Observatory, Chinese ...

U.S. News Insider Tip: Try to plan your evening at the Lowell Observatory around the weather, as clear skies (read: no cloud cover) make all the difference. The observatory recommends checking the ...

For some of the best views of the harbor, head to the historic Portland Observatory, the country's last standing maritime signal tower. Built in 1807, the octagonal, 86-foot-tall tower was ...