Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

A lot of times, when we think of traffic lights, we think of green, yellow, and red. But in reality, it's not that simple — and it can start to get confusing when you come across lights you've never ...

A cute new addition was welcomed into the world at the Potawatomi Zoo earlier this week!Raya, one of the zoo's red pandas, gave birth to five cubs on Monday.Zoo Cold front brings strong storm chances ...