FORT LAUDERDALE, Fla. — Michele Holtfreter planted fresh pentas in her yard this spring — only to find an iguana was tearing into her blossoms.

“After they started flowering, there was a big green iguana hanging around my palm tree,” recalled Holtfreter, of Deerfield Beach. “Next thing I know, the tops of the pentas are being chewed ...Read more

LAS VEGAS — The Colorado River Basin faces a complete “system crash,” with little chance that a wet winter will fully prevent a worst-case scenario, a leading group of experts says in a new academic paper.

That is, unless water managers can get serious about cutting water use fast.

Study author Anne Castle, a fellow at the University of ...Read more

DENVER — Fourth-generation Colorado rancher Susan Nottingham acknowledges that one of her employees was behind the killing of the matriarch of the new King Mountain wolf pack in March.

“One of my employees ended up shooting the mother female. The investigation is still ongoing and extremely stressful, costing me tens of thousands of dollars...Read more

LOS ANGELES — The back rooms of the La Brea Tar Pits are, at the moment, a maze of packing crates tagged with handwritten sticky notes that say things like "bison skulls" or "camel hip."

Every bone, down to the last dire wolf rib, must be carefully sheathed in a custom foam shell. Sloth jaws and sabertooth fangs and a truly astonishing amount...Read more

LOS ANGELES — Federal agricultural inspectors detected a case of New World screwworm larvae — maggots that burrow into the flesh of living animals and sometimes humans — on a 3-week-old calf in south Texas, near the U.S.-Mexico border. Officials anticipated the arrival of screwworm in the United States and say they're prepared to contain ...Read more

MIAMI — Inside the University of Miami’s newly opened 3D-bioprinting lab, the future of medicine looks a lot like science fiction. Think miniscule robotic devices that repair the body. Molecules designed to hunt down cancer cells. And a printer capable of creating a prosthetic ear in less than 10 minutes.

“You thought it was science ...Read more

ANCHORAGE, Alaska — Oil companies on Friday once again showed little interest in the latest lease sale for the Arctic National Wildlife Refuge in Alaska, but the results were enough to disappoint groups that have fought to protect the region along the Arctic Ocean from development.

The lease sale raised just $3.7 million with only two parties...Read more

DENVER — Lacking agreement from the seven Colorado River states, federal managers of the critical waterway are planning to implement a framework for its future that will require a renegotiation every two years as the basin faces unprecedented water supply uncertainty.

Scott Cameron, the acting commissioner of the U.S. Bureau of Reclamation, ...Read more

Astronauts are sheltering on board a docked SpaceX Crew Dragon as cracks in need of repair got worse on the International Space Station on Friday, according to NASA.

Russian space agency Roscosmos has opted to try to repair to the worsening leaks on its Zvezda service module tunnel, which “has suffered from cracks and leaks for some time, and...Read more

The state of New York could meet its goal of building 46 gigawatts of large-scale solar by midcentury, but not without making difficult choices in how land is used across the state.

That’s the overall finding of an analysis several colleagues and I have made in that state. It’s an issue that other states, and the U.S. as a whole, ...Read more

A country with one of the fastest-rising scientific profiles operates under sweeping international sanctions, has limited access to Western research infrastructure and is rarely mentioned in American conversations about global innovation. That country is Iran.

Its rise, alongside China’s dominance in critical fields and India’s rapid ...Read more

DENVER — Colorado’s state leadership on Thursday declared a drought emergency as this winter’s record-low snowpack and an abnormally warm spring fuel one of the worst statewide droughts on record.

The emergency declaration opens the door for a future request for a federal disaster declaration and aid. It also mandates that state agencies ...Read more

The Trump administration’s most recently wave of defundings directly affects North Carolinians at one of the most crucial times of the year: hurricane season.

The National Science Foundation has begun descaling their Ocean Observatories Initiative following President Donald Trump’s firing of the NSF’s independent board through an email in...Read more

President Donald Trump on Thursday said he will invoke Cold War-era emergency powers to direct a nearly $700 million investment into the waning coal industry, including construction of a new West Coast coal export terminal in Oakland.

Speaking from the White House, Trump said he will use the Defense Production Act, a 1950 law that grants the ...Read more

President Donald Trump on Thursday said he will invoke Cold War-era emergency powers to direct a nearly $700 million investment into the waning coal industry, including construction of a new West Coast coal export terminal in Oakland.

Speaking from the White House, Trump said he will use the Defense Production Act, a 1950 law that grants the ...Read more

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But that progress – made as vehicles, industries and power sources became cleaner – is increasingly being overshadowed by a different and growing source of ozone pollution: wildfires.

Our team of atmospheric and ...Read more

The explosion of Blue Origin’s New Glenn at Cape Canaveral Space Force Station was massive, but the response by the Space Force emergency crews was quick and well-prepared.

“I had just gotten home and sat down in the living room, talking to my kids and wife, and looked out the window and saw the explosion,” said Space Launch Delta 45 ...Read more

Bison are political animals. A federal decision to revoke grazing leases for bison on public lands on the rolling plains of eastern Montana is the latest manifestation of long-standing contention. The largest land animal in North America, bison are considered a “keystone” species, meaning they have high ecological and cultural importance....Read more

CHICAGO — When David Bippes recently brought his parents to see a small plot of land tucked between a raised railway track and a row of homes in Englewood, he was hoping to show them his latest community project.

Bippes, an Eagle Scout whose passion for community gardens began with a high school service project in Missouri, now helps lead ...Read more