Astronomers observe a star that quietly transformed into a black hole
The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an except...
The Trump administration on Thursday finalised rules revoking the Environmental Protection Agency’s authority to regulate greenhouse gas emissions, a move that significantly reshapes long-standing U.S. climate policy.
The 2009 endangerment finding determined that carbon dioxide and five other greenhouse gases endanger public health and welfare under the Clean Air Act. It has since provided the legal foundation for federal limits on emissions from vehicles, power plants and the oil and gas sector.
President Donald Trump said the administration was “terminating” the finding, describing it as harmful policy. Because federal vehicle emissions standards are rooted in that determination, the administration is also moving to repeal greenhouse gas rules for cars and trucks.
The decision is expected to trigger immediate legal challenges. In 2007, the U.S. Supreme Court ruled that greenhouse gases qualify as air pollutants under the Clean Air Act and that the EPA has authority to regulate them. In 2022, the court upheld that authority in relation to power plants, while narrowing how broadly it may be applied.
Environmental organisations have signalled plans to challenge the repeal, and former EPA officials say the case could take years to resolve and may ultimately return to the Supreme Court.
If upheld, the move would remove the primary legal basis for federal regulation of greenhouse gas emissions under the Clean Air Act, with any restoration of similar authority likely requiring new legislation from Congress.
A senior adviser to Iran’s Supreme Leader said on Tuesday that negotiations with the United States must remain focused on the nuclear issue and be grounded in realism, as Washington and Tehran prepare to resume talks mediated by Oman.
James Van Der Beek, who rose to fame as Dawson Leery in the hit teen drama Dawson’s Creek, has died aged 48 following a battle with stage 3 colorectal cancer.
Canadian Prime Minister Mark Carney said a bridge project linking Canada’s Ontario province with the U.S. state of Michigan would contribute to cooperation between the two countries.
U.S. President Donald Trump and Prime Minister of Israel Trump hosted Netanyahu for closed-door talks focused on negotiations with Tehran, Gaza and wider rBenjamin Netanyahu ended a two-and-a-half-hour meeting at The White House on Wednesday without reaching agreement on how to move forward on Iran.
The suspect in a deadly school shooting in western Canada was an 18-year-old woman who allegedly killed her mother and stepbrother before attacking her former school. Investigators have not provided a motive for what is being described as one of the worst mass killings in Canada.
Tropical Cyclone Gezani has killed at least 31 people and left four others missing after tearing through eastern Madagascar, the government said on Wednesday, with the island nation’s second-largest city bearing the brunt of the destruction.
Rivers and reservoirs across Spain and Portugal were on the verge of overflowing on Wednesday as a new weather front pounded the Iberian peninsula, compounding damage from last week's Storm Kristin.
Morocco has evacuated more than 100,000 people from four provinces after heavy rainfall triggered flash floods across several northern regions, the Interior Ministry said on Wednesday.
Greenland registered its warmest January on record, sharpening concerns over how fast-rising Arctic temperatures are reshaping core parts of the island’s economy.
Storm Kristin has left central Portugal with severe destruction, major power outages and a reconstruction bill that officials say could reach billions of euros.
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