Jumping spiders—one of the largest spider families—get their name from the extraordinary jumps they make to hunt prey, to ...

Peacocks are majestic birds that capture our imaginations. With brilliant and colorful designs, and enormous feathers, these birds have often been a sign of royalty, pride and beauty. Our next set ...

But bigger is only better up to a point. If peacock trains become too big or too colorful over time, they may no longer confer a selective advantage. Exaggerated trains might attract a new kind of ...