The birds are arriving in the Arctic up to 13 days earlier than they used to. But at a cost: hunger. Annie Sneed reports.
Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey.
Solar geoengineering would ease heat stress, but also block vital sunlight for plants
Chemicals designed to simulate honeybee alarm pheromones could deter elephants from farmers’ crops, easing conflicts with humans. Annie Sneed reports.
Shark researchers used a system for recognizing patterns in star field photographs to identify whale sharks, which have individual spot patterns.
The shift could change which prey animals hunt or make it harder to find food
Chemical odors trigger honeybees to remove their dead
A new study on the Northern Hemisphere’s mercury has troubling implications for wildlife and human health
The lower stratosphere’s ozone continues to decrease, despite the world’s success in phasing out ozone-depleting chemicals
Climate change’s negative effects on plants will likely outweigh any gains from elevated atmospheric carbon dioxide levels
Ecologists needed a way to more easily keep track of populations of amphibians, and green glow sticks lit the way.
A sharp kink in the jet stream is driving the storm's strong winds and precipitation
A new airplane design could save up to 66 percent in fuel and fly by 2035
Researchers have created tiny DNA-filled capsules that can track where and how water flows when ice thaws
A new study shows that even relatively small-scale climatic changes affect volcanic activity
A high-profile science panel finds several severe events in 2016 could not have naturally occurred
Sporting groups have entered the political fray in the monuments debate
Storms with much greater rainfall are predicted to hit North America by century’s end
The crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble.
Chemical innovations lure in and kill the disease-carrying insects