Unusually hot zones in the ocean will last longer and occur more often in the coming century.
In North America, water companies may lose up to 50% of water before it ever reaches customers.
The water contains bacterialike shapes that researchers plan to test for DNA.
New data sheds light on the impact of an ancient drought.
Alternative sanitation systems are making use of creatures that find homes in human poop.
The so-called Great Whirl off the coast of Somalia is larger and lasts longer than scientists thought.