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By Ella Nilsen, CNN (CNN) — The Trump administration delivered a deadly blow to longstanding US climate policy on Thursday, finalizing rules that revoke the Environmental Protection Agency’s ability to regulate climate pollution. First issued in 2009, the endangerment finding determined that six greenhouse gases could be categorized as dangerous to human health under the

By Ashley Strickland, CNN (CNN) — When solar storms erupt from the sun and reach Earth, their intensity is measured against a historical benchmark: the Carrington Event. Now, a portrait of 19th century British solar astronomer Richard Carrington has been discovered — providing, at long last, an image of the man for whom the event

By Asuka Koda, CNN (CNN) — Team USA won silver in mixed doubles curling on Tuesday after reaching the event’s final for the first time during the Winter Olympics. In the semifinal against Italy on Monday, American curler Cory Thiesse made the winning shot that knocked the Italian team’s curling stone out of its place.

By Mindy Weisberger, CNN (CNN) — Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it the planet’s largest hydrogen reservoir, researchers recently estimated. And nine hydrogen “oceans” is

By Jack Guy, CNN (CNN) — Researchers in Turkey say they have unearthed archaeological evidence that the Romans used human feces in medical treatments. Although Roman texts described the practice, this is the first time that physical evidence has been documented, according to a study published in the Journal of Archaeological Science: Reports. Lead study

By Amarachi Orie, CNN (CNN) — Children love to play pretend, holding imaginary tea parties, educating classrooms of teddies or running their own grocery stores. Now, a new study suggests that such make-believe play is not a uniquely human talent, but a skill that great apes also possess. The evidence for this comes from a

By Jackie Wattles, Hadas Gold, John Liu, CNN (CNN) — Elon Musk’s ambition to one day settle Mars appears to have taken a back seat to a rather nearer and more achievable goal – sending humans to live on the moon. In a statement on X on Sunday, the billionaire said his company SpaceX has

By Jacopo Prisco, CNN (CNN) — Recreating a piece of the universe in a bottle might sound like science fiction, but it’s exactly what Linda Losurdo did. Losurdo, a doctoral student in materials and plasma physics at the University of Sydney, used simple gases and electricity to recreate conditions usually found in the vicinity of

By Taylor Nicioli, CNN (CNN) — When plant biologist Jing-Yi Lu was earning his bachelor’s degree in Taiwan, he began to take note of the local flora. He paid particular attention to the lipstick vines, which, in Taiwan, have short, tubelike flowers with a yellowish-green hue. However, in other parts of Asia, lipstick vines are

By Katie Hunt, CNN (CNN) — Some 400 million years ago, long before dinosaurs or even trees had evolved, an enigmatic organism towered over the landscape like a prehistoric monolith. Now, new research makes the case that the ancient life form is not a plant, animal or fungi and instead may be a completely unknown

By Issy Ronald, CNN London (CNN) — In an idyllic corner of an English field, beneath the lush green grass and yellow buttercups sprouting in the sunshine, archaeologists made a grim discovery. Sifting through the soil, they found a pit dating back around 1,200 years, filled with skeletons — some complete, some dismembered — that

By Ashley Strickland, CNN (CNN) — There is nothing like the excitement of a rocket launch. I’ll never forget the feeling of being at NASA’s Kennedy Space Center in Florida for the highly anticipated liftoff of the uncrewed Artemis I mission in 2022. I had reported on space and science news for nearly a decade,

By Katie Hunt, Jackie Wattles, Ashley Strickland, CNN (CNN) — NASA is now targeting March for the earliest possible launch of its historic Artemis II lunar moon mission, which will send four astronauts into deep space for the first time since the Apollo program ended more than five decades ago. The decision came in the

By Ella Nilsen, CNN (CNN) — A federal judge on Monday dealt a fifth blow to the Trump administration’s attempts to kill the offshore wind farms under construction up and down the east coast. In December, Trump suspended all five offshore wind projects under construction in federal waters off the coast of New England, New

By Jackie Wattles, CNN (CNN) — A crucial test of NASA’s towering Space Launch System rocket is underway — marking one of the final steps before the vehicle launches four astronauts into deep space for the first time since the Apollo program ended more than five decades ago. The mission could launch as soon as

By Ashley Strickland, CNN (CNN) — Look to the sky this weekend for a chance to see February’s wintry full moon, which comes as four astronauts prepare to make a historic journey around the silvery orb. The full moon will peak at 5:09 p.m. ET Sunday, occurring near sunset and appearing fullest while low in

By Jackie Wattles, CNN (CNN) — Blue Origin announced Friday that it is pausing flights aboard its suborbital space tourism rocket New Shepard. Since 2021, New Shepard has provided 10-minute flights to the edge of space for wealthy thrill seekers, celebrities and special guests. The company, founded by Amazon billionaire Jeff Bezos, said in a

By Jacopo Prisco, CNN (CNN) — Scientists have discovered the largest organic molecule containing sulfur — a key ingredient for life — ever identified in interstellar space. The researchers call the discovery a “missing link” in scientists’ understanding of the cosmic origins of life’s chemistry. Sulfur is the 10th most abundant element in the universe

By Amarachi Orie, CNN (CNN) — As the sea ice melts due to climate change, the trend of polar bears getting thinner and having fewer cubs has been well documented in areas such as Baffin Bay, a stretch of ocean between Greenland and Canada’s Baffin Island, and Hudson Bay in northeastern Canada. A population of