Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky ...

The competition was held ahead of the Dark Skies Festival held by the national park, which is one of 22 International Dark ...