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By Mindy Weisberger, CNN (CNN) — Hatched in quiet streams and rivers, salmon undertake a perilous journey to reach the open ocean where they become mature adults. Over millions of years, generations of young salmon have migrated great distances, in some cases traveling hundreds of miles from freshwater systems to the sea. However, modern salmon

By Katie Hunt, CNN (CNN) — Using a speck of mouse brain matter the size of a grain of sand, scientists have created the first precise, three-dimensional map of a mammal’s brain. The map details the form, function and activity of 84,000 neurons, branched structures that fire off messages down a long arm, called an

By Rebecca Cairns, CNN (CNN) — Professor Suzannah Williams wishes she didn’t have to spend her days analyzing poop samples. It’s a dirty job; but someone’s got to do it. Biodiversity is rapidly dwindling, with wildlife populations declining by an average of 73% between 1970 and 2020. For Williams, and her small team at Oxford

By Ashley Strickland, CNN (CNN) — An intriguing object my husband and I saw during our honeymoon was the Robenhausen door at Switzerland’s National Museum Zurich. More than 5,500 years old, the wooden board is one of the most ancient preserved doors in Europe. Archaeologist Jakob Messikommer uncovered the prehistoric object from the marshes in

By Kameryn Griesser and Ashley Strickland, CNN (CNN) — Sharp-eyed lunar lovers may notice April’s full moon looks smaller than usual this month, and despite its “pink moon” namesake, the orb will have a white-golden hue. The micromoon will be visible in the Northern and Southern hemispheres and is set to rise Saturday evening, reaching

By Taylor Nicioli, CNN (CNN) — For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can see. “The sea from horizon to horizon in all directions took on a phosphorescence glow … the moon had just set and the whole sea was

By Ella Nilsen, CNN (CNN) — The Trump administration intends to eliminate the research arm of the National Oceanic and Atmospheric Administration, close all weather and climate labs and eviscerate its budget along with several other NOAA offices, according to internal documents obtained by CNN. The documents describe the administration’s budget proposal for 2026, but

By Katie Hunt, CNN (CNN) — It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful spring day 66 million years ago, or were they already on their way out, and the space rock delivered a final, devastating blow? To find answers, a team of researchers studied North America’s

CNN By Jackie Wattles, CNN (CNN) — President Donald Trump’s pick to run NASA, Jared Isaacman, made waves Wednesday by signaling his intention to create a new focus on Mars exploration. A confirmation hearing for Isaacman — the billionaire CEO of payments platform company Shift4 who has twice paid to fly aboard SpaceX capsules —

By Jackie Wattles, CNN (CNN) — President Donald Trump’s pick to run NASA, Jared Isaacman, made waves Wednesday by signaling his intention to create a new focus on Mars exploration. A confirmation hearing for Isaacman — the billionaire CEO of payments platform company Shift4 who has twice paid to fly aboard SpaceX capsules — kicked

CNN By Katie Hunt, CNN (CNN) — A species of wolf that died out some 12,500 years ago lives again as the “world’s first successfully de-extincted animal,” according to Dallas-based biotech company Colossal Biosciences. Colossal scientists have created three dire wolf pups by using ancient DNA, cloning and gene-editing technology to alter the genes of

By Ella Nilsen, CNN (CNN) — The centerpiece of President Donald Trump’s America-first economic agenda is reinvigorating the manufacturing industry. But his administration is planning to slash a key program that invests in some of the biggest manufacturing industries in the US, including in Vice President JD Vance’s hometown in the heart of the Rust

By Katie Hunt, CNN (CNN) — A species of wolf that died out some 12,500 years ago lives again as the “world’s first successfully de-extincted animal,” according to Dallas-based biotech company Colossal Biosciences. Colossal scientists have created three dire wolf pups by using ancient DNA, cloning and gene-editing technology to alter the genes of a