People living in the earliest known settlement in the Americas relied partly on seaweed, bolstering the theory that the New World was settled via a coastal route, a new study says.
Thousands of horses, cows, and other livestock face a possibly toxic brew of deep ash and gases. And the region's all-important farms may be devastated for decades.
A new "Greendex" survey tracking consumer spending habits also found that the residents of the U.S. and other industrialized nations are the most wasteful.
Pioneering measures developed at a Costa Rican agricultural school are helping growers across the world lessen the environmental impact of the popular fruit.
Jaw and facial structures in the ancient human relatives show that they could open unusually wide, although researchers are stumped as to why they had this ability.
An Australia company is testing what could be the undersea equivalent of a wind farm. Their devices would capture wave energy and convert it to electricity.
Zebra finches use a different part of the brain for random babbling than the one used to create adult calls, a find that could give new insight into how human infants learn to talk, a new study says.
An electrochemical alloy sent captive sandbar sharks dashing away from hooked bait, a find that could help reduce the millions of unwanted sharks snagged each year by longline fisheries.
Nine distant galaxies, each small enough to fit within the central hub of the Milky Way, each contain enough stars to weigh in at about 200 billion times the mass of the sun.
