In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Vacation Week! Hope Cupid was good to all you skiing Valentines out on the slopes and tracks and trails. With all the snow we ...

Scientists are keeping a close eye on three US volcanoes after their threat levels rose Thursday, suggesting eruptions may be ...

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.

Southern California faces the continued risk of rock and mudslides on wildfire-scarred hillsides Friday, a day after heavy ...

The Orion Nebula is one of the best “must-see” attractions in the Shamokin sky, and it’s even more impressive once you get to ...