Scientists Take A Ride On The Pacific's 'Shark Highway'
Biologists knew the sharks sometimes traveled from waters off Costa Rica south to the Galapagos Islands, but they'd never actually witnessed it.
Environment
Nothing Certain In Search For 'Regulatory Certainty' At EPA
Environmental Protection Agency chief Scott Pruitt often cites the need for "regulatory certainty." But even some supporters of his sweeping rollbacks say they're creating the opposite.
NASA Launching New Satellites To Measure Earth's Lumpy Gravity
The two satellites, which are collectively called GRACE and will replace two retired probes, are one of the most important tools for understanding the effects of climate change.
Hawaii Volcano's Lava Spews 'Laze' Of Toxic Gas And Glass Into The Air
Lava from the Kilauea volcano is pouring into the Pacific Ocean, generating a plume of "laze" — hydrochloric acid and steam with fine glass particles — into the air.
Levees Make Mississippi River Floods Worse, But We Keep Building Them
For more than 150 years, scientists have known that levees increase flood risk on the Mississippi River. That hasn't stopped local officials from building up levees in response to more severe floods.
The Case Of The Stolen Succulents
California Fish and Wildlife agents are combating a rash of succulent poaching incidents on the state's coastline, apparently to satisfy a booming demand for the plants in Korean and Chinese markets.
USDA Unveils Prototypes For GMO Food Labels, And They're ... Confusing
The labels use the letters BE, for bioengineered, not GMO, which critics say could baffle consumers. One design features a smiling sun that a skeptic calls "essentially propaganda for the industry."
Banned Ozone-Depleting Chemical Is Still Being Produced Somewhere, Scientists Say
Trichlorofluoromethane, or CFC-11, hurts the ozone layer and was phased out of production by 2010. Supposedly. But a NOAA study says CFC-11 emissions began to rise after 2012.
Ash Cloud And 'Ballistic Blocks' Shot From Kilauea's Crater, USGS Says
Volcanic rocks 2 feet in diameter have been found in a parking lot a few hundred yards from the volcano's Halemaumau crater, the U.S. Geological Survey reports.
Warming Waters Push Fish To Cooler Climes, Out Of Some Fishermen's Reach
From bass to lobster, hundreds of species that live along U.S. coastlines are projected to migrate north over the next 80 years, making them harder to catch and manage. It's already happening.