The traffic light is a ubiquitous feature of modern life and is quite old — dating back to 1868 London, although that device was a modified railroad semaphore operated by a policeman, but it … ...

Yellow-rumped warblers and dark-eyed juncos are two species of birds that are quite often seen in the Central Valley during the winter, when they prefer open spaces like woods, ...

Crocus flavus ‘Golden Yellow’ produces deep-yellow, 5-inch blooms. After crocus flowers are spent, fine grassy foliage emerges to harvest the sun and recharge the bulbs for future blooms.

A new species of creamy-yellow isopod was hiding in plain sight in Japan’s Enoshima Aquarium. It was first found in the Gulf of Mexico and mistaken for another species.