US sanctions all remaining Iranian airlines, with 27 carriers hit in fresh action

US chokes Iranian airways Donald Trump-led United States on Tuesday imposed sanctions on “all remaining Iranian airlines” that had not previously been targeted, as Washington moved to increase economic pressure on Tehran.The US treasury department said the latest sanctions target “36 targets for supporting Iran’s aviation sector, which the regime uses to move weapons, personnel,…

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A North Florida family permanently protected 816.46 acres with a $2.665 million easement; farming can continue while the land stays undeveloped inside a 1.6-million-acre wildlife corridor

In the rolling pine forests and pasturelands of Putnam County, a North Florida family has made a decision that will change the landscape for generations to come. They have placed a permanent conservation easement on 816.46 acres of their working farm, locking in protection for a sprawling tract of forests, wetlands and agricultural fields. Valued…

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A critically endangered green sawfish swimming beside sea turtles wins Australia’s top nature-photo prize; photographer captured it with only 3% drone battery left

Endangered Sawfish-Turtle Photo Wins Australia’s Top Nature PrizePhoto credit: South Australian Museum/ Instagram In the sunlit shallows off northern Australia, a rare and ancient creature glided through the water, its long, toothed snout cutting a gentle path beside a pair of sea turtles. The moment lasted only seconds, but it was enough for a drone…

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Cox Enterprises gave up development rights on nearly 4,400 South Carolina acres worth hundreds of millions; the land is now protected forever, including 40 miles of river and marsh frontage

In the low country of South Carolina, where blackwater rivers wind through cypress swamps and marshes give way to the Atlantic, a quiet but monumental act of conservation has just reshaped the landscape. Cox Enterprises, a major media and communications company, has donated development rights on nearly 4,400 acres of its Clarendon Farms property, locking…

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In 2024, four Klamath River dams came down, reopening habitat blocked for over a century; in two salmon runs, 21,052 Chinook moved upstream and reclaimed 88% of their historic range

Four concrete barriers blocked the way for salmon that once swam freely between the Pacific Ocean and the high desert reaches of Oregon and California for more than a hundred years. The dams were removed in 2024 as part of one of the largest dam removal projects in U.S. history, letting the river flow freely…

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Princeton put AI in charge of a fusion-plasma control loop running every 20 milliseconds; in one test it predicted a damaging instability 200 ms early and stopped it before it began

Nuclear fusion illustration Photo: Canva Inside a steel vault at the Princeton Plasma Physics Laboratory, a superheated whirl of charged particles spins in near vacuum, held in place by invisible magnetic fields. This is a fusion plasma, the same kind of matter that powers the Sun, and it is notoriously difficult to control.In a recent…

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After losing about 140.5 billion tons of ice a year for two decades, Antarctica temporarily reversed course, gaining a record 695 billion tons in 2021-23 as tropical warmth drove heavy snowfall

Representative Image (AI-generated) Antarctica has been losing mass for years as glaciers shed ice into the ocean, contributing to rising sea levels. But between 2021 and 2023, the continent experienced an unusual and temporary reversal. Instead of continuing to lose mass at its recent rate, Antarctica gained about 695 billion tonnes over 22 months, marking…

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