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The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest marine predators of the dinosaur age.
Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s multibillion-year history.
In the book "The Echoing Universe: How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.
Experts say the Ebola outbreak raging in Central Africa could be challenging to contain due to ongoing conflict in the region and a lack of vaccines and international aid.
A "foundational" study found that the brains of children with ADHD matured later, but that finding was likely a mirage tied to issues with how the children were followed over time.
When does the next full moon rise? Find out exactly when to see the full moons of 2026, including the full "Blue Moon" in late May.
The Department of Defense has declassified another batch of images and recordings related to UFO/UAP sightings, bringing the total to roughly 220 newly released files.
Dead seal pups on a Canadian island have been found with mysterious spiral-shaped injuries for years. The wounds were thought to be the work of sharks or boat propellers, but new research confirms a different cause.
A technique that has rewritten the timeline of prehistoric art may be overestimating the ages of cave paintings, some scientists say.
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The Department of Defense has declassified another batch of images and recordings related to UFO/UAP sightings, bringing the total to roughly 220 newly released files.
Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s multibillion-year history.
In the book "The Echoing Universe: How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.
Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.
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The Great Pyramid of Giza has survived for more than 4,600 years despite nearby earthquakes, and new research reveals why.
Skeletons of early modern whalers reveal widespread scurvy, pipe smoking and heavy physical labor.
Archaeologists recovered the 10-page wax notebook with Latin writing and its leather carrying case from a medieval latrine in Germany.
Excavation of a large stone vessel from the mysterious Laos Plain of Jars has confirmed its use in an ancient funerary tradition.
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Researchers with the U.S. Geological Survey estimated that the ancient Appalachians mountain system holds 2.5 million tons of the critical element lithium.
Campi Flegrei, a volcanic caldera near Naples, is speeding toward a transition, a new study suggests, but there are still a lot of questions as to whether it will erupt in the near future.
In 2015, after decades of relative stability, Antarctica's sea ice suddenly began to disappear. Sea ice extent reached a record low in 2023, and scientists have now figured out what happened in that period.
A new study finds that climate change is creating environments where humans have never successfully cultivated rice before.
Experts say the Ebola outbreak raging in Central Africa could be challenging to contain due to ongoing conflict in the region and a lack of vaccines and international aid.
A "foundational" study found that the brains of children with ADHD matured later, but that finding was likely a mirage tied to issues with how the children were followed over time.
Scientists found that blocking a protein best known for its role in asthma enhances cancer immunotherapy in preclinical models.
Doctors describe a strange case in which a tumor in a woman's arm disappeared without specific treatment.
Get a new challenge every day with our free online sudoku puzzles.
People 65 and older are seeing their rates of colorectal cancer drop, but younger people are being felled by a rising number of cases.
Dead seal pups on a Canadian island have been found with mysterious spiral-shaped injuries for years. The wounds were thought to be the work of sharks or boat propellers, but new research confirms a different cause.
The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest marine predators of the dinosaur age.
Researchers identified a new species of box jellyfish and recorded a surprising range expansion for the Thai sea wasp after analyzing the morphology and DNA of a handful of jellies in Singapore.
A newfound species of long-necked dinosaur from Thailand lived up to 120 million years ago, and it's the largest known of its kind from Southeast Asia.
Hitchhiker fish known as remoras have a very unexpected hiding place: the rear ends of manta rays.
In a first, researchers quantify how pollinator declines contribute to food insecurity.
A study published in July 2025 claimed the Centaur AI model could simulate and predict human behavior with astonishing accuracy. A counter study raises doubts.
The new 'mecha' robot, which weighs over 1,000 pounds and stands nearly 10 foot tall, is designed for urban mobility.
Researchers have found that introducing human-made data into AI training can help to prevent AI model collapse.
Three Gorges Pilot, a 16-megawatt floating offshore wind turbine, marks a major step for deep-water renewable energy and the future of floating wind farms.
Ouster has launched the Rev8 set of lidar sensors that function as both a camera and a 3D mapping sensor at the same time. Its engineers say these are the first devices of their kind in the world.
AI chatbots normalize sexual violence, initiate unwanted sexual conversations and offer personalized stalking advice because of how they're designed. Their makers need to be held accountable.
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A new experiment confirms that photons passing through a cloud of atoms can spend a negative amount of time there, and the atoms themselves are the ones saying so.
Have you ever wondered how likely it is to find a message in a bottle, especially an old one? Let's do the math.
For the first time, researchers measured singularities in combined light and sound waves moving faster than the speed of light. The findings have implications in fluid dynamics, optics and many other fields.
For the first time, scientists have observed quantum entanglement in the momentum of massive particles. The result, decades in the making, could help physicists probe the relationship between quantum mechanics and gravity.
CERN scientists transported antimatter by truck for the first time, enabling ultraprecise studies that could reveal why matter dominates the universe.
A new physics paper proposes modifications to Einstein’s theory of relativity that could solve one of the biggest issues about our understanding of the Big Bang.
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