Add Yahoo as a preferred source to see more of our stories on Google. A plankton bloom in the Baltic Sea in July. Scientists say manure and fertilizer runoff from European farms is fueling blooms.

Scientists have unearthed a rogue planet that appears to be floating through space with no star. Researchers are racing to find out as much information about the celestial body before it disappears ...

Astronomers have spotted a "rogue planet" hurtling through space entirely alone after being "ejected" by its host star. The mystery world was picked up by scientists in China, using telescopes on ...