The ocean is teeming with life. But unless you get up close, much of the marine world can easily remain unseen. That's ...

This 2024 astronaut photo shows the striking colors of Iraq's Razazah Lake, surrounded by a host of strangely circular fields.

Red, yellow, violet— fire hydrants come in many different colors ... 70 feet and 40 ft tall. Some colors don't always refer to GPM. Yellow indicates that the water comes from a public supply ...