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The Latest Breaking News from LiveScience

Scientists gave mice flu vaccines by flossing their tiny teeth — and it worked

In a proof-of-concept study, scientists have shown that flossing your teeth could be a way to deliver vaccinations that protect you against viruses.

LiveScience

The more advanced AI models get, the better they are at deceiving us — they even know when they're being tested

More advanced AI systems show a better capacity to scheme and lie to us, and they know when they're being watched — so they change their behavior to hide their deceptions.

LiveScience

Moon, Mars, and meteors: Why July 28 is the best night for skywatching all summer

A conjunction between a crescent moon and Mars joins an ongoing display of 'shooting stars,' making July 28 one of the best nights for skywatching all summer.

LiveScience

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Astronomers discover new dwarf planet 'Ammonite' — and it could upend the existence of Planet Nine

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis.

LiveScience

Ancient human relative cannibalized toddlers, 850,000-year-old neck bone reveals

Cut marks on a child's cervical vertebra found at Atapuerca in Spain suggests Homo antecessor was indiscriminate about cannibalism victims.

LiveScience

96% of oceans worldwide experienced extreme heatwaves in 2023, new study finds

The extreme marine heatwaves of 2023 may signal a tipping point for Earth's climate, a new study suggests.

LiveScience

Embattled 'arsenic life' paper retracted by journal Science 15 years after publication

A controversial 2010 study that suggested bacteria could grow using arsenic instead of phosphorus has been retracted by the research journal Science.

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Astronomers share best-ever evidence that Betelgeuse has a secret companion star — and they've nicknamed it 'her bracelet'

Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest objects in the night sky — but this sun-size companion may not survive for long.

LiveScience

3I/ATLAS is 7 miles wide — the largest interstellar object ever seen — new photos from Vera C. Rubin Observatory reveal

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar object 3I/ATLAS is roughly 7 miles wide, making it the largest of its kind ever seen.

LiveScience

T. rex relatives 'moonwalked' to attract mates, newfound dinosaur ‘mating arena' suggests

Researchers have identified a "mating arena" at Dinosaur Ridge where male theropods gathered during the Cretaceous period to display in front of females.

LiveScience

Ancient whale 'graveyard' discovered under melting Russian glacier

An Arctic expedition found a collection of ancient whale remains where a rapidly retreating glacier once lay.

LiveScience

Kabul could become the first modern capital to run out of water — here's why

Afghanistan's capital city of Kabul has an existential water problem and other cities may also be vulnerable.

LiveScience

Earth is starting to spin faster — and scientists are considering doing something unprecedented

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second.

LiveScience

AI could soon think in ways we don't even understand — evading our efforts to keep it aligned — top AI scientists warn

Researchers at Google and OpenAI, among other companies, have warned that we may not be able to monitor AI's decision-making process for much longer.

LiveScience

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3,800-year-old burial of tall warrior buried with 4-pronged spearhead unearthed in Azerbaijan

The burial holds a Bronze Age man who stood more than 6 feet, 6 inches tall and may have been a military leader.

LiveScience

Best-ever map of the human genome sheds light on 'jumping genes,' 'junk DNA' and more

In a pair of papers, scientists greatly expanded our catalog of known genomic variation among humans.

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'Extremely rare' bronze armor found in Czech Republic dates to Trojan War era

Ancient metal artifact discovered in the Czech Republic is a rare example of bronze armor from the Trojan War era.

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LiveScience

Scientists scan famous 'Earthrise' crater on mission to find alien life in our solar system

A large lunar crater featured in the iconic 'Earthrise' photo has just helped the European JUICE spacecraft hone its alien-hunting instruments during a once-in-a-lifetime flyby.

LiveScience

Neanderthal genes may explain disorder where brain bulges out of the skull

Neanderthal genes may explain why some people have Chiari malformation type I, a condition in which the brain bulges out of the back of the skull.

LiveScience

Watch this robot 'cannibal' grow bigger and stronger by consuming smaller robots

Scientists explore the concept of "robot metabolism" with a weird machine that can integrate material from other robots so it can become more capable and overcome physical challenges.

LiveScience

Diagnostic dilemma: Rare semen allergy may have caused woman's infertility

A woman and her partner had been trying to conceive for some time. It turned out that a rare allergy may have been hindering their attempts.

LiveScience

Bite marks reveal giant terror birds were potentially prey for another apex predator — humongous caiman

Researchers have found evidence of a titanic tussle between a terror bird and a large caiman in Colombia's ancient La Venta wetlands.

LiveScience

78,000-year-old footprints from Neanderthal man, child and toddler discovered on beach in Portugal

A Neanderthal trackway discovered in Portugal shows how an adult male and two children hunted for food 78,000 years ago.

LiveScience

'Backward' brain of ancient sea creature hints spider ancestors evolved in the ocean

The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.

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