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By Kate Golembiewski, CNN (CNN) — Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old. So when he saw the 2018 blockbuster “The Meg,” he thought something was fishy. Not only did the movie depict the

By Ashley Strickland, CNN (CNN) — NASA’s two-for-one launch of its newest space telescope, SPHEREx — designed to seek out the key ingredients for life in the Milky Way — alongside a sun-focused mission called PUNCH is facing another delay. Both missions were expected to lift off together aboard a SpaceX Falcon 9 rocket at

By Ashley Strickland, CNN (CNN) — NASA’s newest space telescope, SPHEREx, designed to seek out the key ingredients for life in the Milky Way, and a sun-focused mission called PUNCH, will have to wait a bit longer to lift off to space together, according to the space agency. Both missions were expected to launch aboard

By Julianna Bragg, CNN (CNN) — Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research. The narwhal, often referred to as the “unicorn of the sea” in

By Jackie Wattles, CNN (CNN) — Intuitive Machines, the Houston-based company that was set to deliver a historic water-hunting mission to the moon’s south pole, announced Friday that its Athena lander has powered down just one day after arriving at the lunar surface. Athena was expected to operate for about 10 days before powering down

CNN By Ashley Strickland and Jackie Wattles, CNN (CNN) — A SpaceX Starship spacecraft, the upper portion of the most powerful launch system ever built, exploded during its eighth test flight Thursday, disrupting air traffic and marking the second consecutive failure for the vehicle this year. The uncrewed Starship mission lifted off at 5:30 p.m.

By Laura Paddison, CNN (CNN) — President Donald Trump is promising to unleash the US timber industry by allowing companies to raze swaths of federally protected national forests. The Trump administration quietly issued an executive order Saturday for the “immediate expansion” of commercial logging on federal lands, setting out deadlines for officials to figure out

By Jackie Wattles and Ashley Strickland, CNN (CNN) — A robotic lander named Athena has made its final descent to the moon’s surface, marking the second lunar touchdown for a US company this week. But the orientation of the lander is currently unknown. Houston-based Intuitive Machines, which last year became the first private-sector company to

By Ashley Strickland, CNN (CNN) — NASA’s twin Voyager probes, which launched 47 years ago, are shutting off some science instruments in an effort to conserve power and keep their storied missions going. Voyager 1 and Voyager 2 are both exploring uncharted territory in interstellar space. Engineers at NASA’s Jet Propulsion Laboratory in Pasadena, California,

By Katie Hunt, CNN (CNN) — It’s tiny, but this lab mouse could have a mammoth impact. With curly whiskers and wavy, light hair that grows three times longer than that of an ordinary lab mouse, the genetically modified rodent embodies several woolly mammoth-like traits, according to Colossal Biosciences. The private Dallas company is behind

By Ashley Strickland, CNN (CNN) — Archaeologists have uncovered a collection of bone tools in northern Tanzania that were shaped by ancient human ancestors 1.5 million years ago, making them the oldest known bone tools by about 1 million years, according to new research. Researchers have unearthed stone tools that date back to at least

By Ashley Strickland, CNN (CNN) — Archaeologists have uncovered a collection of bone tools in northern Tanzania that were shaped by ancient human ancestors 1.5 million years ago, making them the oldest known bone tools by about 1 million years, according to new research. Researchers have unearthed stone tools that date back to at least

By Jackie Wattles, CNN (CNN) — Firefly Aerospace, the Texas-based startup that on Sunday became only the second private-sector company to soft-land a spacecraft on the moon, has released video from the moment its Blue Ghost lander touched down on the lunar surface. Blue Ghost shared the footage after successfully deploying an X-band antenna, which

By Laura Paddison, CNN (CNN) — Citizenship of Nauru, an island nation spanning just 8 square miles in the southwest Pacific Ocean, can be yours for $105,000. The tiny, low-lying island has launched a “golden passport” initiative with the aim of raising money to fund climate action. Nauru faces an existential threat from rising sea

By Jack Guy, CNN (CNN) — The biggest iceberg in the world, named A23a, appears to have run aground after drifting around the Southern Ocean near Antarctica since 2020. Weighing nearly a trillion metric tonnes (1.1 trillion tons), A23a has come to a stop off the island of South Georgia, a British Overseas Territory in

By Katie Hunt, CNN (CNN) — It’s tiny, but this lab mouse could have a mammoth impact. With curly whiskers and wavy, light hair that grows three times longer than that of an ordinary lab mouse, the genetically modified rodent embodies several woolly mammoth-like traits, according to Colossal Biosciences. The private Dallas company is behind

By Jackie Wattles, CNN (CNN) — SpaceX is standing down from the eighth uncrewed test flight of its gargantuan Starship megarocket. The mission was expected to lift off during an hourlong launch window that opened at 5:30 p.m. CT (6:30 p.m. ET) from SpaceX’s Starbase facilities in South Texas. But a couple of issues, including