Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

The planet is tidally locked to its star, which means one side is always facing it and, for that reason, has a scorching ...

John Kounios is a professor of psychological and brain sciences at Drexel University. He is co-author of The Eureka Factor: Aha Moments, Creative Insight, and the Brain (Random House, 2015) and ...

WASHINGTON (7News) — D.C. Police are seeking a man likely connected to a stabbing near the U.S. Naval Observatory overnight ...

MAPS 4 staff proposed a "creative" way to cover rising costs in the final planning for a new midtown HQ for Palomar.

In May, a new achievement in the field of quantum science was published in the journal Science, with Chinese scientists ...

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as captured by ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA), ...

Homolovi State Park was ranked among top road trip destinations in Arizona, and for good reason. Here's why you should make ...

NASA's SphereX observatory will use a a scientific breakdown of lightwaves to create multiple 3D maps of the universe. NASA footage.

G eologists are closely monitoring Mount Spurr in the Aleutian Arc of Alaska, USA, after continued volcanic unrest. The ...