Hubble Finds Dwarf Galaxies Lose Most of the Oxygen Their Stars Produce
NASA's Hubble observations indicate nearby irregular dwarf galaxies lose most of the oxygen their stars produce, a finding that challenges models of galactic chemical evolution.
technology
Science & Space
Descubrimiento y exploración: misiones espaciales y astronomía, física y biología, nuevos hallazgos de investigación y lo que los científicos aprenden sobre el mundo y más allá.
Cobertura (513 artículos)
NASA Invites Public to Flash Morse Code at Voyager 1 as It Reaches One Light-Day from Earth
NASA invites the public to flash the Morse code 'VGR' toward the sky on November 17 to mark Voyager 1 reaching one light-day from Earth, the farthest any human-made object has been.
Fruit and Veg Scraps May Hold More Fibre Than the Flesh, King's College London Study Finds
King's College London nutritionists found discarded peels, rinds and cores often contain up to five times more fibre than the edible flesh, in a study in the International Journal of Food Sciences and Nutrition.
Older Adults Who Move More Show Lower Odds of Steep Kidney Function Decline, Study Finds
A study of 1,506 adults aged 65+ found a faster kidney-decline trajectory linked to higher mortality, with more physical activity and fewer sedentary hours associated with lower odds of membership.
UCC Scientist Urges Investment in Neglected Root and Tuber Crops to Strengthen Africa's Food Security
A University of Cape Coast crop scientist argues that neglected crops like cocoyam and taro deserve more research and investment to strengthen food security in Ghana and Africa.
Hubble's Image of Messier 30 Offers a Window Into the Milky Way's Ancient Past
NASA's Hubble captured a new image of Messier 30, an ancient globular cluster 27,500 light-years away, offering clues about the Milky Way's formation, stellar evolution and possible captured clusters.
Fractures Reshape Particle Blockage in Ultra-Low Permeability Reservoirs, Opening Path to Relaxed Water Standards
Experiments on Ansai and Jiyuan cores show fractures both limit permeability loss and enable deeper solids invasion, supporting relaxed post-fracturing water quality standards.
DNA Traces on the Shroud of Turin Map Centuries of Human Contact, Not Its Origins
A Scientific Reports study applied PCR-free metagenomic sequencing to 1978 Shroud of Turin samples, finding human, microbial, plant, and animal DNA. The researchers say it cannot establish the cloth's age or authenticity.
Otago Virologist Dr Jemma Geoghegan Wins 2027 Fleming Prize for Pandemic Genomics Work
Otago University's Dr Jemma Geoghegan has won the Microbiology Society's 2027 Fleming Prize for her virus research and her role in New Zealand's Covid-19 genomic surveillance programme.
Stickier Ocean Snow Carries Six Times More Carbon to the Deep Sea, Study Finds
Scripps and University of Lincoln researchers found stickier marine snow sinks deeper and can carry over six times more carbon to the deep ocean, as bacteria break down thinner outer layers first.
How NASA Is Working to Grow Food on the Moon
NASA is researching lunar potato cultivation as part of plans for a permanent Moon base in the 2030s, aiming to reduce reliance on shipped food for astronauts.
What Is Pubic Hair For, and Does Removing It Matter? What the Research Actually Shows
An explainer on the theories behind retained pubic hair and the mixed research linking grooming to infection risk. Authors conclude removal is a personal choice with no medical need.
Comet 11P/Tempel-Swift-LINEAR Reaches Perihelion, Offering Northern Observers a Rare Well-Placed View
Comet 11P/Tempel-Swift-LINEAR reaches perihelion November 9, 2026, in a geometrically favorable northern-sky apparition, visible through telescopes near its November 11 Earth approach.
Caimanes en Florida: alimentarlos y acercarse sin precaución eleva el riesgo de ataques mortales
Un especialista en captura de caimanes advierte que alimentarlos y acercarse sin precaución aumenta el riesgo de ataques tras dos muertes registradas en 2026 en Florida.
Cilia Flores habría sufrido un infarto leve y perdido dos dientes en prisión, según el NYT
Según una investigación del New York Times, el equipo legal de Cilia Flores cree que sufrió un infarto leve en julio en la prisión de Brooklyn, donde su salud se deteriora.
Astrophysicist Warns a Large Object Collision Would 'Destroy' the ISS Amid Viral UFO Claims
Multiple outlets report a UFO researcher's claim that an unidentified object came within 82 feet of the ISS during a NASA livestream, prompting an astrophysicist to warn a collision would destroy the station.
Stunning New Amazon Killifish Found in Three Forest Pools May Already Be Endangered
Researchers named a new orange-patterned killifish, Laimosemion laranja, found in just three forest pools in Amapá, Brazil, and say it already meets criteria for Endangered status.
Maduro en prisión: lectura de la Biblia y el Corán, encuentros con un rabino y un cambio notorio en su aspecto
Según The New York Times, Nicolás Maduro dedica largas horas a leer la Biblia y el Corán, se reúne con un rabino y ha perdido peso en la prisión federal de Brooklyn.
NASA Opens Astronaut Recruitment as Artemis Moon Program Expands
NASA has opened recruitment for new astronaut candidates to help expand its Artemis program and support future crewed work on the Moon.
Sophos amplía Sophos Fusion a la red con Firewall v23, nuevo hardware XGS y un NDR independiente
Sophos presenta Firewall v23, nuevo hardware XGS, un NDR independiente y mejoras en Sophos Fusion para reforzar la defensa de red frente a amenazas potenciadas por IA.
Europa y Estados Unidos libran una guerra por el espectro en el aire, con Elon Musk en el centro
La Comisión Europea propone reservar la mayor parte de la banda satelital móvil a operadores europeos, lo que provoca la oposición de Washington y de SpaceX.
Einstein's Equations May Hide Gravitational Reconnection, a Theoretical Energy-Release Process Akin to Solar Flares
Columbia and Universidad Adolfo Ibáñez researchers propose 'gravitational reconnection' in Einstein's equations, a theoretical process analogous to solar-flare magnetic reconnection. The finding is not yet tested.
Brazilian Synchrotron Lets Researchers Inspect Solar Cells From the Inside While They Generate Power
Researchers at Brazil's CNPEM built an X-ray instrument at the Sirius synchrotron that examines complete perovskite solar cells while they generate electricity.
NASA Firms Up Moon Base Plan, Naming Vendors for Rovers and Lunar Rides in Contracts Worth Over $11B
NASA is naming vendors to deliver payloads and services to the lunar surface under contracts potentially worth over $11 billion, firming up its promised Moon base plan.