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By Ella Nilsen, CNN (CNN) — It’s been 13 years since the last large coal-fired power plant was built in the US. Now, the Trump administration wants to build another two, but experts say even federal support likely won’t make that feasible. President Donald Trump and his administration have made no secret of their preference

By Jacopo Prisco, CNN (CNN) — Before he became the namesake of one of the largest predators that ever lived — or made it into the footnotes of an auction catalog — the late Gary “Gus” Licking, a cattle rancher in South Dakota, had always suspected his land was hiding something big. The Licking ranch

By Ella Nilsen, Kit Maher, CNN (CNN) — The Trump administration reversed decades of longstanding environmental law protecting endangered species on Friday, opening up sensitive habitats of those protected species to drilling, mining, farming and real estate development. The change, finalized by the Interior and Commerce Departments, redefines what constitutes “harm” to endangered species and

By Amen Galinato, CNN Six mysterious metal spheres that washed ashore last weekend at Forrest Beach in northern Queensland, Australia, are “suspected space debris,” the Australian Space Agency announced Monday on social media. Informally dubbed “space balls,” the large objects are likely pressure vessels — heavy-duty containers of pressurized gases and liquids — from a

By Ella Nilsen, CNN (CNN) — The Trump administration announced Friday it has reached a settlement over a major 2022 oil spill in Kansas from the Keystone Pipeline, a controversial pipeline that President Donald Trump has taken interest in. South Bow LP, the owner of the pipeline, agreed to pay a $26 million civil penalty

By Jacopo Prisco, CNN (CNN) — Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began to pick up mysterious, unknown radio sources in the cosmos. Soviet astronomer Nikolai Kardashev was a pioneer in the search for extraterrestrial intelligence at the time, and

By Mindy Weisberger, CNN (CNN) — If you happen to be right-handed, you may be able to trace the origins of that trait to a wormlike animal that lived about 550 million years ago and had a tendency to bend to the right. Spriggina floundersi appeared in oceans during the Ediacaran Period (635 million to

By Ashley Strickland, Jackie Wattles, CNN (CNN) — Wally Funk, a pioneering aviator who volunteered to be an astronaut for NASA’s “Women in Space Program” in 1961, has died at the age of 87. Funk passed away at her home in Grapevine, Texas, Wednesday evening, according to a spokesperson for the city, Mona Quintanilla. “Wally

By Mustafa Qadri, CNN (CNN) — For anyone who has ever wondered whether they could handle life on another planet, NASA is offering a chance to find out – well, sort of. The US space agency is looking to recruit four participants for its Moon and Mars Exploration Analog (MMEA), a yearlong simulation program that

By Laura Paddison, CNN (CNN) — A disused airport on Tasmania’s rugged West Coast will soon be home to an angular steel structure with a haunting purpose: to record “every step” humanity takes toward “catastrophe.” The striking monolith, known as “Earth’s Black Box,” will be perched on the granite landscape of western Tasmania — an

By Laura Paddison, CNN (CNN) — A Super El Niño is brewing and it could be the most intense in decades, threatening a dramatic increase in deadly extreme weather. But what if there was a way humans could dial down the ferocious impacts of the most severe El Niños by temporarily dimming the sun? That’s

By Ella Nilsen, CNN (CNN) — A sudden electricity crunch in the US, driven by artificial intelligence, is colliding headlong with the Trump administration’s attacks on wind and solar. President Donald Trump has presented his anti-renewable stance as a way to cut energy costs — but a new analysis suggests limiting energy development at a

By Jackie Wattles, CNN (CNN) — Canadian astronaut Jeremy Hansen, who captivated the world when he flew around the moon alongside three American crewmates during the Artemis II mission in April, said Monday that he would step back from a full-time astronaut role in September. In a social media post, Hansen said the move was

By Mindy Weisberger, CNN (CNN) — Nomadic warriors called the Scythians roamed the Eurasian Steppe on horseback during the Iron Age. An elite class held the reins of Scythian power, their elevated status celebrated in death through rich burials. Among the most famous of these elite individuals is “Golden Man,” whose entombment contained iron weapons,

By Ashley Strickland, CNN (CNN) — Prehistoric human relatives, nicknamed “hobbits” due to their short stature, may have been scavengers, rather than skilled hunters capable of taking down big game or building cooking fires, according to new research. The study adds to growing evidence that Homo floresiensis, which had a brain only slightly bigger than

By Ashley Strickland, CNN (CNN) — A mission to rescue one of NASA’s storied space observatories from falling to Earth has launched on a daring, first-of-its-kind endeavor. If successful, it will mark the first time a commercial robotic mission has captured an uncrewed NASA spacecraft that wasn’t designed to be serviced in space, according to

By Ashley Strickland, CNN (CNN) — New observations may offer fresh clues into how a giant exoplanet survived the violent death of its host star — and came to closely orbit its stellar remnants. The findings could serve as a preview of the fate that may await our solar system’s largest planets — such as

By Ella Nilsen, CNN (CNN) — The balcony solar revolution is coming to the United States, but not everyone has been able to benefit. The nearly 35% of Americans who rent could stand to gain the most from solar, but there is a potential barrier in the way: Their landlords. This week, New Jersey became