Lowell Observatory comes out on top, claiming the Best Northern Arizona Attraction status in this year's Best of Flag. Sitting on Mars Hill, Lowell Observatory looks over downtown Flagstaff and is ...

In the late 19th and early 20th centuries, new discoveries about the surface of Mars fed a craze of speculation about the beings who might live there.

“The Martians” by David Baron explores how 19th-century businessman and amateur astronomer Percival Lowell fueled speculation that there were canals on Mars.

From 1905 until his death in 1916, Percival Lowell searched for a ninth planet, which he called Planet X. Lowell had predicted the planet based on irregularities in the orbit of Uranus. In 1929, ...

Some of the most influential voices in planetary science and space-inspired culture will take center stage on Feb. 14 as Lowell Observatory hosts “A Night of Discovery,” the keynote event of Lowell ...