In a statement, co-author Kaspar Delhey explained, "Brown shades are more common in natural environments than in cities. We suspect that brown birds are at a disadvantage in a rather gray city." ...

Why water helps your brain focus and think clearly—science reveals the cognitive power of oceans, rivers, and fountains.

These seasonal treasures are more than just forest finds; they’re the end result of a fascinating natural cycle rooted in biology, behavior, and survival. But what actually causes these animals ...

From trees that resemble monsters, to colorful sinkholes, towering rock formations and waterfalls of molten lava, these are some of the most unusual and fascinating landscapes in the world.