Here's when and how to watch the next full moon and February's rare planetary parade across Pennsylvania skies, starting with shiny and bright Venus.

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

See Jupiter's “frosted cupcake” clouds in this 3D rendering created using data from NASA's Juno mission. It's the first time ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

NASA has estimated that there are between 1 - 3 million tons of helium-3 on the moon’s surface, which could open a new ...

Astronomers from MIT, the University of Liège in Belgium, and other institutions have stumbled upon a truly bizarre planet—an ...