The U.S. unveiled new restrictions on China’s access to vital components for chips and AI, escalating a campaign to contain Beijing’s technological ambitions but stopping short of earlier proposals that would have sanctioned more key Chinese firms.

The Department of Commerce slapped fresh curbs on the sale of high-bandwidth memory chips ...Read more

BOSTON — After a rash of stranded turtles on Massachusetts shores in the last week, the New England Aquarium is now treating over 200 cold-stunned sea turtles in critical condition.

“With winds increasing and temperatures dropping, we have started to see more sea turtles enter the hospital in the last week,” said Adam Kennedy, aquarium ...Read more

​WASHINGTON — The National Park Service is seeing a surge in private support bigger than anytime in its 108-year history, as it also faces a maintenance backlog of more than $23 billion, made worse this fall by hurricane damage to its most popular location.

Three years after setting a goal of raising $1 billion, the Park Service’s ...Read more

The change from the Biden to the Trump administration is primed to alter the trajectory of salmon recovery in the Snake and Columbia river basins.

The effort to save the threatened and endangered fish through breaching one or more of the four dams on the lower Snake River was elevated to unprecedented levels during Joe Biden’s time in the ...Read more

The squawking usually begins just past 4:30 p.m. this time of year, when the sun begins to hang low in the sky.

Just a few at first, announcing themselves with loud calls from above. Another flock soon appears from the south, then a larger one from the east, and even more soon fly in from the north and west.

Like clockwork, hundreds of parrot ...Read more

In the skies over Virginia it is common to see contrails, cloud-like strips of condensed water left behind by aircrafts at high altitude.

Some dissipate within minutes, but depending on the weather or time of day, some can remain for hours or develop into wispy cirrus clouds. Because of that, there is uncertainty about how exactly contrails ...Read more

We know less about the bottom of the Great Lakes than we do about the surface of Mars, according to Jennifer Boehme.

The oceanographer is executive director of the Great Lakes Observing System, an Ann Arbor, Michigan-based nonprofit leading a concerted effort to fully map the world’s largest freshwater body from coast to coast, surface to ...Read more

LOS ANGELES — Wolves are continuing to make a California comeback.

State wildlife officials have confirmed the presence of two new gray wolf packs in Northern California, and estimate there are now at least 70 of the endangered apex predators roaming the state — up from 44 documented last year.

The freshly minted Diamond pack is roaming ...Read more

SAN JOSE, Calif. — Startled, large flocks of pheasants burst into flight, exploding with colorful fuss and flutter from thickets of wild grass and fallen leaves.

But this was decades ago, when California’s autumnal landscape was a mosaic of fallowed fields, diverse crops and weedy stubble – and the handsome birds were abundant, including ...Read more

Maybe they helped each other. Maybe they ran from each other. Maybe they ignored each other.

It’s long been known that multiple species of ancient humans lived in the same hot, lush lakeshore area of East Africa. Yet skeletal remains have made that difficult to prove.

Now, a team of researchers say they have unearthed 1.5 million-year-old ...Read more

SEOUL, South Korea — What on earth to do about all the plastic polluting the oceans, the food supply, even our bodies?

That is the question that the delegates from 175 countries are trying to answer this week in Busan, South Korea, where the fifth and final round of negotiations are underway for a United Nations-led treaty that would regulate...Read more

PITTSBURGH — For the opening of buck season on Saturday and the rest of firearms deer season, many local hunters won't be leaving Allegheny County.

More than half a million hunters are expected to take to the woods for the post-Thanksgiving tradition of white-tailed deer hunting from Nov. 30 until Dec. 14, excluding only Sunday, Dec. 8.

In ...Read more

MIAMI — A bright searchlight pierces the darkness as the 18-foot airboat glides across the Everglades, the beam igniting small sparkling shimmers in the ink-black water dotted with lily pads.

Glowing gator eyes — the tell-tale reflections of lurking reptiles.

Alligators like to hunt in the dark but tonight they’re the creatures being ...Read more

KENNEDY SPACE CENTER — Months after an alarmist review from NASA’s Office of the Inspector General, hundreds of construction workers seem out to prove their critics wrong as progress picks up steam on the Artemis program’s mobile launcher 2, the platform atop which future versions of the powerful Space Launch System rocket will launch.

...Read more

LOS ANGELES — When Heather Hoff took a job at Diablo Canyon nuclear power plant, she was skeptical of nuclear energy — so much so that she resolved to report anything questionable to the anti-nuclear group Mothers for Peace.

Instead, after working at the plant for over a decade and asking every question she could think of about operations ...Read more

Americans celebrate the winter holidays in many ways, which typically include an abundance of food, drinks, desserts – and waste. Food waste is receiving increasing attention from managers, activists, policymakers and scholars, who call it a global social problem. According to the U.N. Food and Agriculture Organization, wealthy nations ...Read more

The 2024 United Nations climate talks wrapped up two days late, with an ending fitting that of a geopolitical reality TV show, complete with walkouts and recriminations.

Countries agreed on a new climate finance target on Nov. 24, 2024, promising to provide at least US$300 billion annually by 2035 to help developing countries build ...Read more

Alphabet Inc.’s Google is asking a federal appeals court to throw out a ruling in an antitrust case brought by Fortnite-maker Epic Games that would force the search giant to overhaul its Play mobile app store.

Google said in a filing Wednesday that U.S. District Judge James Donato’s ruling is mistaken and asked that the outcome of the long...Read more

Ara Mahdessian and Vahe Kuzoyan had a simple plan after graduating from college: Write some software that could assist their dads with all the paperwork that comes with being a contractor.

Two decades later, that idea has morphed into a Glendale, California, company called ServiceTitan, which last year served some 8,000 plumbing, HVAC, ...Read more