Updated: 1 hour 6 min ago
Spanish expedition maps trash in all five ocean collection zones for the first time and makes a discovery.
A four-winged dinosaur sported surprisingly long tail feathers, paleontologists report.
Droughts like the one unfolding in California don't offer the drama of deadly storms, but they can change society in profound and long-lasting ways.
What's for supper? In ancient Mexico, early Native Americans dined on elephant-like gomphotheres, archaeologists report.
Writer and environmentalist Kenneth Brower condemns plans to "salvage log" large swaths of California forest damaged during last summer's massive Rim fire, arguing that fire is a natural and necessary part of the life cycle of western forests.
Author Paul Greenberg addresses the unraveling of the American seafood economy and what can be done about it.
Choice of a radar station over an endangered bird could signal a lower commitment to conservation.
July is the month to celebrate the sweet treat, thanks to President Ronald Reagan who issued the proclamation in 1984.
Backyard birding is on the rise in the U.S., where designer seed and summer feeding are in. So is citizen science. But can the hobby diversify?
A storm startles space station astronauts, radio signals surprise astronomers, and the mystery of dust finds an answer in the week's best space pictures.
As honeybees die off, scientists are taking a closer look at North America's wild bees. Could they be the key to saving U.S. crops?
A new study reveals how scientists and fisheries managers have underestimated the importance of whales in ocean ecosystems.
A large study of chimps finds certain aspects of intelligence are more heritable than others.
Lake Michigan's S.S. Badger has drawn criticism for its coal pollution, but the venerable ship is aiming to clean up its act.
—Many countries are stemming the illegal trade of elephant ivory—except Thailand, conservation experts announced this week.
A popular class of insecticides has been linked to bird die-offs—a finding that parallels Rachel Carson's concerns back in 1962.
A powerful telescope may have found clues to the origin of ultra-high-energy particles that bombard the Earth.
Plants respond to the acoustic vibrations of chewing insects by producing defensive oils meant to ward off predators.
Removing corpses is key to keeping ant colonies healthy, a new study suggests.
Ancient grains and "orphan crops" like fonio and amaranth have advantages for farmers and consumers.