Add Yahoo as a preferred source to see more of our stories on Google. Neptune, long believed to be dark blue, is actually very pale like Uranus, scientists say. They used modern telescopes to ...

The deep blue sea may soon be more of deep green, specifically in the tropics, a new study revealed. NOAA Fisheries/James Morioka photo A large swath of Earth’s oceans changed color over the past 20 ...

Nana Ekua Brew-Hammond was reading the Bible one day, and she got to a part about the Temple of Solomon that made her pause. There were some drapes in the temple that were blue. "And I was wondering ...