Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four telescope units of the European Southern ...

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 ...