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Elizabeth Flores/The Minnesota Star Tribune/TNS

DOJ sues Minnesota over climate lawsuit, says it intrudes on federal authority

The U.S. Department of Justice is suing Minnesota over the state’s lawsuit that aims to hold fossil fuel companies liable for climate change.

It’s the latest legal challenge to the state’s case, which alleges that Exxon Mobil, Koch Industries and the American Petroleum Institute misled the public by hiding and downplaying evidence that ...Read more

Laura Dickinson/San Luis Obsipo Tribune/TNS

'Striking' purple waves spotted at California shore. What is causing the color change?

SACRAMENTO, Calif. — “Striking” purple waves are crashing onto the Northern California coastline, according to an online news feed.

“(It’s) not something you see every day, a purple wave in Point Reyes” in Marin County, The West Marin Feed wrote in a Sunday, May 3, on X.

According to experts, the violet-colored waves aren’t the ...Read more

NASA/Getty Images North America/TNS

Space Coast saw nearly 350,000 visitors for Artemis II launch

Sending humans out past the moon for the first time in more than half a century enticed nearly 350,000 people to descend on Florida's Space Coast for the Artemis II mission that launched from Kennedy Space Center.

NASA’s powerhouse Space Launch System rocket, topped with the Orion spacecraft with four astronauts, shot into space from KSC’s ...Read more

Small-scale solar panels mounted on balconies can help more households use renewable energy. Jens Büttner/picture alliance via Getty Images

How balcony solar can help renters and homeowners save money

Somewhere between 5% and 7% of U.S. households have rooftop solar panels. Many more Americans want them, but high costs, building locations and landlord restrictions are key obstacles.

As someone who has designed and evaluated a wide range of building energy efficiency technologies, including integrated photovoltaic systems, I know ...Read more

Large earthquakes have been common along the Alaska-Aleutian subduction zone, except at the Shumagin Gap.  Yinchu Li

A quiet Alaska fault is missing the fluids scientists expected – and it’s changing what we know about earthquake zones

Not all earthquake faults behave the same. Some stick and snap, causing earthquakes. Others move slowly over time.

For years, the leading explanation for slow-moving faults has been that high-pressure fluids along the fault lubricate it, allowing the slabs to slide steadily rather than building up stress until that stress is ...Read more

K.C. Alfred/The San Diego Union-Tribune/TNS

Supervisors vote to re-do flawed environmental review for Alpine park

SAN DIEGO — County supervisors recently voted to hit restart on a proposal to put a 25-acre community park in Alpine, unanimously approving a new environmental impact report after a conservationist lawsuit derailed the project last year.

The county-led effort to secure a community park for the backcountry community has stretched over 30 years...Read more

Brian Peterson/Minneapolis Star Tribune/TNS

Company behind proposed mine near the Boundary Waters has history of conflict with locals in Chile

The big winner in the successful push to allow mining in Minnesota’s Superior National Forest is a company from Chile, led by one of the country’s richest families, with a business empire that stretches across transportation, food and entertainment.

Antofagasta, which owns the Twin Metals project that would mine copper, nickel and other ...Read more

Jane Tyska/Bay Area News Group/TNS

Record ocean heat off California coast echoes 'Blob,' killing seabirds and reshaping weather outlook

Over the past several months, an intense marine heat wave has developed in the Pacific from Washington to Baja Mexico, with a particularly extreme hot spot between the Bay Area and San Diego. Ocean temperatures have spiked to as much as 7 degrees hotter than average, with many places breaking records for this time of year.

The heatwave off the ...Read more

Friends of Big Bear Valley/TNS

Bald eagle 'massaging' its mate? AI deepfakes collide with the laws of the wild

LOS ANGELES — Shadow gingerly places one taloned foot, then the other, on Jackie as she hunkers down on the nest.

With Big Bear Lake glittering in the distance, he raises each foot in a kneading motion — evoking a bald eagle massage.

“Somehow, it says everything about their bond,” reads the caption on the 15-second video posted to ...Read more

Joseph Prezioso/AFP/Getty Images North America/TNS

North Atlantic right whales see 'positive news' this calving season

BOSTON — It has been a good year for the North Atlantic right whale, according to scientists at the New England Aquarium.

The calving season, from mid-November until mid-April in the Southeast, generated “positive news” for the critically endangered species, as it produced 23 mother-calf pairs, the fourth-highest count ever.

So far this ...Read more

Spencer Platt/Getty Images North America/TNS

Spring temperature whiplash is getting worse with climate change

Dramatic temperature jumps marked this March and April in the U.S. Northeast, making it hard to know what to dress for: chilly or sweltering conditions? Researchers have concluded that wild temperature swings are becoming more common as the world heats up.

That’s changing how we experience spring, with plants blooming sooner and consumers ...Read more

NASA/TNS/TNS

NASA keeps Boeing Starliner flights in holding pattern in updated space station plan

ORLANDO, Fla. — NASA said it was not ready to nail down Boeing Starliner’s next flight to the International Space Station as it continues to work through the problems found during its beleaguered Crew Flight Test mission in 2024.

NASA had since last year been targeting Starliner’s return to flight as early as April 2026, but that month ...Read more

Sam Morris/Las Vegas Review-Journal/TNS

California, Arizona and Nevada announce new water-saving plan for dwindling Colorado River

LOS ANGELES — With the Colorado River’s giant reservoirs declining toward critically low levels, negotiators for California, Arizona and Nevada announced Friday that they have agreed on a water-saving plan for the next two years.

Representatives of the three states said in a written statement that their plan aims to “stabilize the ...Read more

DANIEL SLIM/AFP/Getty Images North America/TNS

Google, Nvidia and other tech titans sign AI deal with the Pentagon

Eight technology companies, including Google, Nvidia and SpaceX, have struck deals with the Pentagon to help the U.S. military gain an edge on the battlefield.

"These agreements accelerate the transformation toward establishing the United States military as an AI-first fighting force and will strengthen our warfighters' ability to maintain ...Read more

SpaceX/SpaceX/TNS

SpaceX gets May launches going after helping set rocket record in April

SpaceX began the month of May with a launch of its workhorse rocket from Cape Canaveral with, just days after its bigger brother, the Falcon Heavy, helped set a record for different types of rockets flown in one month on Florida's Space Coast.

A Falcon 9 rocket carrying 29 more of the Starlink broadband satellites lifted off at 2:06 p.m. EDT ...Read more

Imago/Imago via ZUMA Press/TNS

Recycled plastics industry gets unexpected boost from Iran war

LOS ANGELES — As the war with Iran sends the price of virgin plastic skyward, speculation is growing as to whether recycled plastic could finally have its day after struggling for years to gain a greater foothold among manufacturers.

Not since the collapse of the global recycling market in 2018 and the COVID-19 pandemic has the world faced as...Read more

Gas prices were well over $4 a gallon on April 28, 2026, in Brooklyn, N.Y. Spencer Platt/Getty Images

What’s in the price of a gallon of gas?

The U.S. Energy Information Administration expects nationwide retail gasoline prices to average near US$4.30 a gallon for April 2026 – the highest monthly average of the year. The political response has been familiar. Georgia has suspended its state gas tax, other states are weighing their own tax holidays, and the White House has issued a ...Read more

Allen J. Schaben/Los Angeles Times/TNS

One of the World Cup's biggest sponsors is Big Oil

As FIFA prepares to bring the largest-ever World Cup to Los Angeles and other parts of North America this summer, the global soccer organization is again promoting a commitment to environmental sustainability. But some of its sponsorship agreements tell a different story — including a premiere deal with the largest oil and gas company in the ...Read more

Aric Crabb/Bay Area News Group/TNS

'Chonkers,' the massive sea lion, is drawing crowds at San Francisco pier

It's a sight to behold — the 1-ton sea lion peeking his head out of the water in San Francisco Bay and triggering a panic as other sea lions hustle to get out of the way.

There's a lot of barking, and suddenly the big fella hops onto the wood platform, sending the other pinnipeds jostling for a new spot in the sun or diving back into the ...Read more

Miami Herald/Miami Herald/TNS

Florida finds an unexpected ally in the fight against pythons: Opossums

Scientists in Florida have launched a new offensive against the Burmese python invasion, this time using opossums, one of the giant snake’s favorite prey.

The initiative comes from biologists A.J. Sanjar and Michael Cove of the Crocodile Lake National Wildlife Refuge in Key Largo, South Florida.

The researchers attach tracking devices to ...Read more