States still aiming to meet U.S. climate commitments will reduce emissions 20 to 27 percent below their all-time high by 2025, a new report card shows.
To save Brazil’s giant anteaters, scientists are grappling with one of the planet’s most transformative forces: roads.
Millions end up rotting in landfills. But Halloween’s leftover pumpkins don’t have to go to waste.
Humans have eaten thousands of species into extinction. Some, supposedly, were to die for.
A photographer began shooting unusual-looking coyotes on Galveston Island. They turned out to be descended from a very rare wolf species.
The placebo effect shows up in pets too, but these treatments are fooling owners, not their animals.
A giant swimming pool is the best place on Earth for simulating weightlessness.
The president is withdrawing the U.S. from the Paris Agreement on climate change because he just can’t quit carbon.
Electric fences and bear-resistant garbage cans are helping humans in Montana adjust to the new normal.
The much-maligned northern snakehead fish might be less menacing than it was made out to be.
High-end start-ups and far-flung tycoons are rushing to cash in on the Arctic’s frozen treasures. Regulators are struggling to keep up.
California doesn’t know how to run a power grid in the climate century. But no one else does, either.
In a warming ocean, Alexandrium algae are shredding marine food webs—and disrupting beloved Alaska traditions.
A contentious new paper traces the origins of modern humans to ancient wetlands in Africa, a claim other researchers have called far-fetched.
Kitschy faux-Polynesian drinks have made a dramatic comeback, and it began with one man’s fixation on Don the Beachcomber.
Errant particles from everyday radioactive materials are a major obstacle for particle physicists. The solution? Lead from the bottom of the sea.
A man-made blaze on a remote Utah mountainside could provide valuable insights into the behavior of the powerful wildfires growing more and more common out West.
One of the planet’s most dramatic extinctions was caused in part by ocean acidification, which has become a problem in our own era.
A new way to revive rare breeds—and perhaps even endangered birds—from frozen cells
For 50 years, researchers have thought that moths evolved ears to detect the ultrasonic calls of attacking bats—but a new study shows that ears came first.
NASA has carried out its first all-female spacewalk, but hints of outdated thinking about women in space remain.
Many forecasts for climate change assume that tropical forests will continue to soak up carbon dioxide as the world warms. What if they don’t?