Science
AI tool could help veterinarians track heart disease more precisely
For dogs with heart disease, a fraction of a centimeter can make a life-changing difference. Veterinarians often rely on chest radiographs to monitor subtle changes in heart size …
History, not age, determines the genomic importance of ancient trees
Ancient trees—those that are remarkably old for their species—are declining worldwide, raising concerns about the loss of the ecological and evolutionary history they represent. T…
New frog species discovered in the Amazon's flooded forests
Scientists from Brazil and other countries have discovered a new species of frog in the flooded forests of the western Amazon. They named it Adenomera varcena. This finding signif…
Satellite constellations could create spiraling space debris
To date, close to 30,000 satellites have been launched into Earth's orbit, leading to mounting concerns over the debris created when they collide. In a new analysis posted to the …
Skies darken as solar eclipse heads south from Arctic to Spain
One of nature's greatest spectacles—a rare total solar eclipse—cast its shadow on Wednesday, briefly turning day into night in Russia's remote Arctic north and western Iceland bef…
Chemical fingerprints reveal hidden binary pasts of massive stars
More than 70% of massive stars are born in close binary systems, where gravitational tugs and mass transfer between companions dramatically alter their evolution. Yet once the int…
Fertilizer made from local rocks could help feed hungry in Africa
Food insecurity is a major problem in many parts of the world, particularly Africa, where more than 300 million people regularly go hungry. Now, using the Canadian Light Source (C…
Radiation vest tested on NASA moonshot can cut astronauts' exposure in solar storms, study suggests
A new study suggests a protective vest tested on a manikin during NASA's first Artemis moonshot could drastically cut the radiation exposure of lunar astronauts during severe sola…
New evidence helps solve how earliest birds took flight
The first bird to inhabit Earth used its robust hind legs to make two or three powerful leaps while flapping its way to flight, according to a study by the University of Southampt…
Trump administration pulls support for annual Arctic environmental report
Move by National Oceanic and Atmospheric Administration is latest government rollback of climate science activityThe Trump administration has pulled its support for an annual repo…
Corpus Christi Puts Industrial Water Charge on November Ballot
Reservoirs have rebounded, but the fight over water isn’t over in Corpus Christi. The City Council has ordered a public referendum on a citizen-led petition that would sharply inc…
Total solar eclipse 2026 has begun. Here are the first views of totality
The first breathtaking photos of totality for the total solar eclipse 2026 are pouring in, revealing incredible views of the sun's atmosphere radiating out from behind the moon's …
What if there's a star inside a black hole?
There is a question that often comes up at every public talk I do, and I have never had a good answer to it—well, not an entirely confident one. What's inside a black hole? The te…
Rangers and scientists map vulnerable reefs in the remote Groote Archipelago
For thousands of years, the Anindilyakwa people have lived in deep connection with the waters surrounding Groote Eylandt, a remote island in the Gulf of Carpentaria.
Radiation-shielding vest aced Artemis I lunar test, could protect astronauts on moon and Mars missions
A radiation-shielding vest aced its Artemis I lunar test in 2022, suggesting that it could protect astronauts on long-duration missions to the moon or Mars.
NASA Upgrades Vertical Motion Simulator for Modern Mission Needs
Imagine stepping into a machine that can make you feel like you’re flying a spacecraft, piloting a next generation air taxi, or landing on the Moon, all without leaving the ground…
Hybrid bioprinter creates capillary networks narrower than 10 micrometers
More than 100,000 people are awaiting an organ transplant in the United States, with a new candidate added to the list every 10 minutes. Even if the transplant is carried out succ…
Q&A: Deploying AI to create proteins never before seen in nature
The decades-old scientific quest to create brand-new proteins has been turbocharged in the era of artificial intelligence.
Engineered lipase could improve production of higher-value specialized lipids
Food and pharmaceutical manufacturers increasingly seek lipids with carefully controlled fatty-acid compositions. However, natural oils usually contain mixtures of closely related…
Light-controlled molecular switches offer exciting possibilities for future electronics, data storage
Whether it's neurons responding to electrical signals or plants stretching toward light, nature is filled with examples of biological materials that respond to their environment. …
New software tool Pixasonics turns biomedical images into sound
Modern biomedicine increasingly relies on enormous amounts of image data. Although computers can do part of the analysis work, biologists often still need to look through the imag…
Famous oddball quasar isn't X-ray weak after all, astronomers say
For more than two decades, the quasar PHL 1811 has been considered the prototype of a rare class of "intrinsically X-ray weak" quasars, thought to produce unusually little X-ray r…
Human clinicians outperform AI stethoscope in diagnosing pet heart problems
Fourth-year veterinary students matched—and experienced clinicians outperformed—an AI-enabled digital stethoscope in diagnosing heart murmurs and arrhythmias in cats and dogs, acc…
Immune 'reprogramming' could protect poultry from deadly diseases without antibiotics
University of Bristol–led researchers have identified a naturally occurring gut molecule that could strengthen chickens' immune response against a wide range of bacterial infectio…