American culture was obsessed with Martians in the early 1900s. In a new book, bestselling author David Baron explains how ...

A new mobile passport encourages travelers to visit historical sites around Arizona and redeem rewards. Here's how to get the ...

The dawn of the 20th century brought exciting advancements, including the automobile, mechanical flight and wireless ...

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

With a diameter of 1,440 miles, Pluto is farthest from the sun. While major planets make roughly circular orbits, Pluto ...

Lowell Observatory in Flagstaff will dedicate a memorial to astronomer Robert Burnham, Jr. on Saturday, August 15. Almost 12 years ago -- in September, 1997 -- it was Phoenix NewTimes that shocked ...

The research profile for Lowell Observatory reflects the articles published from the 145 journals included in the Nature Index during a 12-month rolling window.

A team of astronomers led by Dr. Phil Massey of Lowell Observatory has taken the sharpest look yet at one of the heaviest ...

Eventually, the search resumed at Lowell Observatory, culminating in Clyde Tombaugh ’s discovery of Pluto in 1930. As it turns out, Pluto wasn’t the gravitational culprit Lowell had imagined.