On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...
In a stunning display of fire and ice, a new video shot on Friday shows hikers walking in the snow-covered ground set beside an erupting Mount Etna in Italy.
Alaskan painter Jon Van Zyle has named his final Iditarod poster “Embers,” as a fire comes to an end, embers are the final ...
Two-dimensional (2D) shapes are completely flat. They have two dimensions – length and width. A polygon is a closed 2D shape with straight sides that meet at vertices. Polygons can be regular or ...