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Science news: space, biology, climate, medicine and the research changing how we live.
Scientists sifting through two decades of stranding records discovered three never-before-seen strains of Helicobacter in the stomachs of pygmy sperm whales, tied to ulcers and gastric disease.
Sediment cores from Australia's K'gari reveal that some of its deepest freshwater lakes dried out about 7,500 years ago during a wetter-than-today era, a warning that even iconic waters aren't safe.
Scientists say tiny insect-eating creatures from Queensland's Riversleigh fossil beds belong to an entirely new marsupial order, Keeunamorphia, that thrived for 35 million years before vanishing.
Physicists at the University of Warwick identified a sudden turning point in the solar cycle that forecasts the strength of the next one, potentially giving satellite operators and power grids years of advance warning.
By jolting a mix of simple gases with 10,000 volts, a University of Sydney researcher brewed synthetic cosmic dust laced with the carbon-based molecules that form the building blocks of living things.
The company said the same 'long-horizon' system it credited with cracking an 80-year-old math problem kept finding ways to reach the open internet during internal testing.
A new study finds waters worldwide are being drained of oxygen by warming and pollution, threatening food webs and the planet's ability to regulate its own climate.
A new optical technique detects the loss of collagen's molecular chirality — an early warning sign of aging that appears before fibers visibly thin or break.
A computer analysis of sauropod thigh bones shows young Uberabatitan and Neuquensaurus could stand on their hind legs with surprisingly little strain.
Regulators approved Takeda's Qdenga for people aged 4 to 60 with no need for pre-vaccination testing, as the country moves to blunt one of the world's heaviest dengue burdens.
Genetic analysis of 144 people from one of prehistoric East Asia's largest settlements reveals a society organized around patrilineal clans — and mass burials of sacrificed men.
Samples from the Moon's far side show solar-wind particles struck it harder than the near side — because Earth's magnetic field slows the stream that reaches the hemisphere facing us.
The broad-spectrum filter, a staple in Europe for years, gives U.S. consumers stronger protection against the UVA rays tied to aging and skin cancer. Products are expected this fall.
Engineered bacteria embedded in the material digest it on command, breaking it fully into building blocks with no microplastics left behind.
Biogen's diranersen missed its main goal in a Phase 2 trial but reduced tau pathology and showed signs of slowing decline, enough to push it toward a Phase 3 study.
A new study finds decision signals appear in the brain's very first sensory relay, not just its command centers, upending a core assumption behind modern artificial intelligence.
A new study suggests the maddening low drone that millions swear is coming from outside their homes may actually originate inside their own ears.
By reading nickel isotopes trapped in the impact debris, researchers pinned the Chicxulub catastrophe on a primitive class of meteorite that rarely reaches Earth.
In 225 newborns, boys whose finger proportions signaled more estrogen in the womb had larger heads — evidence for the 'estrogenized ape' idea of how our species evolved its outsized brain.
Adults consuming the most low- and no-calorie sweeteners aged cognitively about 1.6 years faster, researchers reported — with the effect strongest in people under 60 and those with diabetes.
Virginia Tech researchers found that the tiniest plastic particles strengthen the bacterial biofilms lining water pipes, shielding potentially harmful microbes from disinfectants.
Southwest Research Institute scientists link the breakup of the Eulalia parent body near a Jupiter 'escape hatch' to an ancient wave of impacts that may have reshaped early Earth's environment.
Texas A&M researchers report that coffee's polyphenols and diterpenes activate NR4A1, a receptor tied to stress response and healthy aging, with decaf working just as well as regular.
Scientists found that ordinary RNA can self-assemble into large, intricate 3D architectures once thought impossible, hinting the molecule played a bigger role at the dawn of life.
A telltale surge of lithium in the star TOI-5882, some 1,300 light-years away, points to a planet consumed whole — possibly nudged to its doom by a hidden brown-dwarf companion.
Scanning 2.6 million studies published since 1999, researchers found that the share of suspect cancer papers has climbed from about 1% to more than 16% — evidence, they warn, that fraud is being manufactured at industrial scale.
A chemical analysis of Barnard's Star suggests its four sub-Earth planets are packed with a rare deep-Earth mineral, stripped of atmospheres and locked in eternal day and night — utterly hostile to life just six light-years away.
Johns Hopkins researchers found the exact doorway a cancer-linked bacterial toxin uses to attack colon cells, and designed a molecular decoy that shielded mice from the damage.
From compact power for the Moon's shadowed craters to systems for servicing spacecraft in orbit, the agency is pairing its labs and expertise with private industry in a $60 million-plus collaboration.
Researchers at King's College London found that making the mouth more acidic helped the body turn nitrate from vegetables into a compound that relaxes blood vessels, though they warn it is no treatment.