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By Ashley Strickland, CNN (CNN) — Astronomers using a giant network of sensors, still under construction at the bottom of the Mediterranean Sea, have found the highest-energy cosmic “ghost particle” ever detected. The neutrino, as the particle is formally known, is 30 times more energetic than any of the few hundreds of previously detected neutrinos.

By Julianna Bragg, CNN (CNN) — Sea turtles are renowned for their incredible migrations, traveling thousands of miles across vast oceans with few visible landmarks. Now, a new study, published Wednesday in the journal Nature, reveals loggerhead turtles, the most abundant sea turtle species nesting in the United States, learn the magnetic fields of specific

By Issy Ronald, CNN (CNN) — Ancient humans living in Europe may have scooped out the brains of their dead enemies and eaten them, a new study suggests. In the study, published last week in the journal Scientific Reports, researchers examined the bones of at least 10 people from the Magdalenian culture who lived in

By Jacopo Prisco, CNN (CNN) — In what’s been called a world first, consumers in the UK are now able to buy a pet treat made with lab-grown meat. The treat contains plant-based ingredients and 4% chicken meat cultivated in a lab by Meatly, a London-based startup that last year became the first company in

By Jackie Wattles, CNN (CNN) — NASA on Tuesday said it may bring home Butch Wilmore and Suni Williams — the two astronauts who launched on Boeing Starliner’s first crewed test flight and have remained on the space station months longer than expected — a couple weeks sooner than previously announced. The space agency said

By Ashley Strickland, CNN (CNN) — Astronomers with the European Space Agency’s Euclid mission have captured an unprecedented look at a rare cosmic phenomenon — and they made the observations purely by happenstance. Their discovery is tied to some of the earliest data from the Euclid telescope, which launched in July 2023 to study the

By Katie Hunt, CNN (CNN) — Unprovoked attacks by sharks declined sharply in 2024, with 47 incidents logged worldwide, down 22 from the previous year and significantly below a 10-year average of 70, according to new figures released Tuesday. The United States experienced the highest number of unprovoked attacks by sharks, with 28 reported incidents,

By Ashley Strickland, CNN (CNN) — Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky before they fade from view. This phase of the moon will peak at 8:53 a.m. ET Wednesday, but the glowing orb will appear full

By Brenda Goodman and Ella Nilsen, CNN (CNN) — Scientists, faculty and staff at Emory University received an alarming email Saturday: An announcement of funding caps from the National Institutes of Health meant scientists and their labs at research institutions across the US would need to tighten their belts. For the Atlanta-based school, a preeminent

By Jackie Wattles, CNN (CNN) — On the heels of the revelation that Boeing is planning to lay off as many as 400 workers from its Space Launch System program, NASA has called the SLS megarocket “essential” to its Artemis moon landing program — sowing confusion about what, exactly, may change for both the launch

By Mindy Weisberger, CNN (CNN) — Scientists who just months ago confirmed that Earth’s inner core recently reversed its spin have a new revelation about our planet’s deepest secrets — they identified changes to the inner core’s shape. Earth’s innermost layer is a hot, solid ball of metal surrounded by a liquid metal outer core.

By Laura Paddison, CNN (CNN) — Swaths of the US may be grappling with frigid weather, but for the planet as a whole, heat records are being obliterated — and it spells very bad news. Two new studies conclude it’s a signal the planet is likely on track to breach the Paris climate agreement goal

By Ashley Strickland, CNN (CNN) — The challenge of unearthing lost things and solving inscrutable puzzles is a driving force in the world of science. Such breakthroughs rarely happen in the derring-do fashion of the “Indiana Jones” films that inspired me to search for lost cities in my childhood backyard. Rather, some of the groundbreaking

By Jackie Wattles, CNN (CNN) — In a Friday afternoon email to NASA staff, the agency’s acting chief asked employees to embrace the philosophy of Elon Musk’s Department of Government Efficiency, or DOGE, as workers express concern over recent directives and anti-diversity, equity, inclusion and accessibility (DEIA) communications. In her email, NASA Acting Administrator Janet

By Ashley Strickland, CNN (CNN) — A recently discovered asteroid that has captured the attention of the astronomy community now has a slightly increased risk of affecting Earth. Named 2024 YR4, the asteroid has a 2.2% chance of hitting our planet on December 22, 2032, according to the European Space Agency. The risk assessment has

By Laura Paddison, CNN (CNN) — The existence of the US Agency for International Development hangs in the balance. President Donald Trump is racing to shut it down, declaring it a waste of money and run by “lunatics.” But experts warn this plays straight into the hands of the very country he considers to be

By Jackie Wattles, CNN (CNN) — Seven years after SpaceX launched Elon Musk’s cherry red sports car into orbit around our sun, astronomers unwittingly began paying attention to its movements once again. Observers spotted and correctly identified the vehicle as it started its extraterrestrial excursion in February 2018 — after it had blasted off into

By Ella Nilsen and Sean Lyngaas, CNN (CNN) — A representative from Elon Musk’s Department of Government Efficiency, or DOGE, was granted access to the Energy Department’s IT system on Wednesday by Energy Secretary Chris Wright, two people with knowledge of the situation told CNN. Wright granted access to DOGE representative Luke Farritor — a

By Katie Hunt, CNN (CNN) — Scholars are decoding an ancient scroll that was one of hundreds charred to a crisp during the eruption of Mount Vesuvius in AD 79. The artifact, which is kept at the University of Oxford’s Bodleian Libraries in the United Kingdom, is the fifth intact Herculaneum scroll to be virtually