https://phys.org/space-news/ en-us The latest science news on astronomy, astrobiology, and space exploration from Phys.org. An international team of researchers, including members from the University of Michigan, has revealed surprising results that could rewrite our understanding of a key transition in the early universe. https://phys.org/news/2026-10-hubble-supernova-role-cosmic-reionization.html Astronomy Wed, 21 Oct 2026 13:20:15 EDT news711800461 Earthquakes and the seismic waves they generate provide some of the best clues to Earth's interior. To extend that success to other worlds, scientists placed seismometers on the Apollo missions to the moon and on the Viking Mars landers, which reached Mars in 1976. Though the Apollo detectors proved a resounding success, Viking's results on Mars were less clear: Viking 1's seismometer failed to deploy properly, and Viking 2 recorded only two ambiguous events. https://phys.org/news/2026-10-reexamined-viking-reveals-marsquake-region.html Planetary Sciences Wed, 21 Oct 2026 12:40:06 EDT news711799802 A new study led by researchers at the Konkoly Observatory of the HUN-REN Research Centre for Astronomy and Earth Sciences (HUN-REN CSFK) in Budapest has revealed what makes a distant red giant star the most explosively active in the entire Kepler field—and the answer lies in a surprisingly subtle interplay between a close stellar companion, vast dark starspots and a highly efficient internal magnetic dynamo. https://phys.org/news/2026-10-astronomers-uncover-powerful-stellar-flares.html Astronomy Wed, 21 Oct 2026 09:20:06 EDT news711791342 Applying eyedrops is difficult in space, where there is almost no gravity. A KAIST research team has developed a wearable patch that delivers eyedrops to the eye without relying on gravity. The research team was led by Professor Ki-Hun Jeong from the Department of Bio and Brain Engineering, in collaboration with a research team led by Professor Se Joon Woo from Seoul National University Bundang Hospital. The paper is published in the journal Sensors and Actuators B: Chemical. https://phys.org/news/2026-10-eyedrops-space-wearable-patch-approach.html Space Exploration Tue, 20 Oct 2026 17:00:04 EDT news711719304 Water isn't always as it seems. Under extreme conditions, such as those found on other planets, it has been discovered to change its atomic structure, giving it the means to alter its appearance and other properties. https://phys.org/news/2026-10-weve-physicists-earth-conditions.html Planetary Sciences Tue, 20 Oct 2026 16:10:02 EDT news711729662 The Orionids—one of two major meteor showers caused by remnants from Halley's Comet—will peak this week, though a large moon will dim visibility until after it sets late at night. https://phys.org/news/2026-10-orionid-meteor-shower.html Space Exploration Tue, 20 Oct 2026 14:30:01 EDT news711722869 Pulsars are rapidly rotating neutron stars, the extremely dense cores left behind when massive stars explode. Astrophysicists have recently observed a pulsar rotating over 300 times per second that appeared to be slowing down unusually quickly. https://phys.org/news/2026-10-pulsar-apparent-slowdown-reveals-rare.html Astronomy Tue, 20 Oct 2026 14:20:10 EDT news711713533 Some supermassive black holes rapidly consume surrounding matter while simultaneously firing powerful streams of plasma into space at nearly the speed of light. However, this creates a physical puzzle: rapid feeding is expected to form a cold, flat accretion disk around the black hole, which prevents powerful jets from forming. https://phys.org/news/2026-10-hot-plasma-rapidly-black-holes.html Astronomy Tue, 20 Oct 2026 12:40:01 EDT news711711481 Scientists at Columbia University and Imperial College London have found that the largest canyon system in the solar system is still active and shaping Mars today, billions of years after it first formed. https://phys.org/news/2026-10-giant-canyon-mars-tectonically-today.html Planetary Sciences Tue, 20 Oct 2026 09:20:36 EDT news711705481 The interstellar comet 3I/ATLAS brought material from another planetary system within reach of our telescopes, but reading its chemistry poses a problem. Energetic particles encountered during its journey through space may have changed its outer layers, so how much of what astronomers detect still reflects the comet's birthplace? https://phys.org/news/2026-10-sun-meters-interstellar-comet-3iatlas.html Astronomy Tue, 20 Oct 2026 08:10:01 EDT news711696503 A Japanese spacecraft rocketed toward Mars on Tuesday on a quest to explore its mysterious moons and bring back samples. https://phys.org/news/2026-10-japan-spacecraft-mysterious-moons-mars.html Space Exploration Tue, 20 Oct 2026 05:40:13 EDT news711693525 By indirectly probing the depths of Uranus and Neptune's atmospheres, an international team of scientists has revealed a significant contrast in their chemical composition. Neptune appears to be more enriched in oxygen than Uranus. These results suggest that the two ice giants may have formed in different regions of the primitive solar system before reaching their current orbits, calling into question the idea of a common origin for these two planets, often considered twins. https://phys.org/news/2026-10-planetary-twins-uranus-neptune-stories.html Planetary Sciences Mon, 19 Oct 2026 18:40:06 EDT news711646141 Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) were surprised to discover the earliest phases of giant planet formation between the dense layers of gas and dust in the "Gomez's Hamburger" system, referred to as GoHam. https://phys.org/news/2026-10-cosmic-hamburger-rare-edge-view.html Planetary Sciences Mon, 19 Oct 2026 16:20:01 EDT news711643081 The gas orbiting Sagittarius A (Sgr A*), the supermassive black hole at the center of the Milky Way galaxy, is rich in metals, researchers at McGill University's Trottier Space Institute have found. The metal enrichment probably resulted from stars that exploded and released material into the black hole's surroundings over time, they said. https://phys.org/news/2026-10-webb-reveals-metal-rich-gas.html Astronomy Mon, 19 Oct 2026 16:00:15 EDT news711642481 The aurora is among nature's most visually striking phenomena. It occurs when charged particles from the sun are funneled by Earth's magnetic field into the upper atmosphere, where they collide with atoms and molecules and produce distinctly colored curtainlike patterns of light. https://phys.org/news/2026-10-auroral-electrons.html Planetary Sciences Mon, 19 Oct 2026 14:40:01 EDT news711628203 The European Space Agency's Euclid space telescope has discovered its first previously unknown comet in images taken between Sept. 16 and 24, 2026. https://phys.org/news/2026-10-euclid-comet-million-miles-earth.html Planetary Sciences Mon, 19 Oct 2026 13:20:01 EDT news711626041 Japanese scientists are readying a mission to Mars' moons to retrieve samples that could help unlock the origins of the solar system and life on Earth, in what aims to be the first round trip to the Martian region. https://phys.org/news/2026-10-japan-historic-mission-mars-moon.html Space Exploration Sun, 18 Oct 2026 16:20:01 EDT news711555681 Lawrence Livermore National Laboratory (LLNL) researchers are developing three-dimensional simulations to examine how a nuclear device could be used to deflect or potentially disrupt an asteroid threatening Earth. https://phys.org/news/2026-10-simulations-explore-nuclear-mitigation-asteroid.html Planetary Sciences Sat, 17 Oct 2026 15:00:05 EDT news711191693 The ocean beneath Saturn's moon Enceladus lies under kilometers of ice, but some of its contents do reach the surface. Jets near the south pole spray out water vapor and icy particles, offering a way to investigate the hidden ocean without drilling down to it. https://phys.org/news/2026-10-salt-crystals-clues-life-beneath.html Astrobiology Sat, 17 Oct 2026 11:40:01 EDT news711288914 Astronomers using China's FAST radio telescope have discovered a compact cloud of hydrogen with no visible stars or galaxy around it. This could be one of the strongest candidates yet for an isolated "dark galaxy," containing nearly 500,000 times the sun's mass in neutral hydrogen. The discovery paper was posted to the arXiv preprint server on Sept. 24. https://phys.org/news/2026-10-lone-starless-cloud-dark-galaxy.html Astronomy Sat, 17 Oct 2026 09:40:04 EDT news711014768 A University of Missouri astronomer is leading a team of 130 researchers from 62 institutions—including NASA, the California Institute of Technology, Princeton University and Harvard University—on an ambitious mission to capture an unprecedented view of the early universe. https://phys.org/news/2026-10-astronomer-global-team-nasa-mission.html Astronomy Fri, 16 Oct 2026 19:20:01 EDT news711376043 Plants begin responding to spaceflight almost immediately after leaving Earth, according to a new University of Florida study that captured the earliest stages of biological adaptation during a commercial suborbital mission. Published in the journal npj Microgravity, the study reports the results of an experiment conducted by a UF astronaut during Blue Origin's New Shepard NS-26 flight on Aug. 29, 2024. https://phys.org/news/2026-10-shift-gene-minutes-spaceflight-reveals.html Space Exploration Fri, 16 Oct 2026 19:00:01 EDT news711376001 How do young stars reshape the clouds from which they are born? A new high-resolution 3D model developed by an international team led by Dr Brandt Gaches from the University of Duisburg-Essen shows how the uneven structure of stellar nurseries creates shadows that alter their chemistry and influence the infrared emission observed by the James Webb Space Telescope. The model has now been published in Astronomy & Astrophysics. https://phys.org/news/2026-10-3d-reveals-shadows-reshape-chemistry.html Astronomy Fri, 16 Oct 2026 18:40:04 EDT news711374216 A Ph.D. student at the University of Sydney has produced the first comprehensive classification system and map of Martian soils, creating a new framework that could help scientists compare landscapes across the Red Planet and identify promising locations for future exploration, habitation and food production. https://phys.org/news/2026-10-comprehensive-mars-soil-classification-framework.html Astrobiology Fri, 16 Oct 2026 16:40:06 EDT news711372541 On May 10, 2025, a spacecraft built in the Soviet Union to land on Venus came home. Launched in 1972, Cosmos-482 was stranded by a failed upper stage of its rocket and circled Earth for 53 years. In its last days, several space agencies and research groups forecasted when it would fall, and therefore where. Roscosmos later reported that it came down in the Indian Ocean, west of Jakarta. https://phys.org/news/2026-10-air-deep-uncontrolled-satellites-rocket.html Space Exploration Fri, 16 Oct 2026 10:40:12 EDT news711280994 Astronomers have discovered a star being torn apart by a massive black hole more than 1,000 parsecs from the center of its host galaxy. The tidal disruption event, TDE 2023mfm, was first discovered by ZTF and then studied with a wide range of telescopes, including Keck, Lick, Hubble, Swift, Chandra, XMM-Newton and the VLA. The discovery paper was posted to the arXiv preprint server on Sept. 28. https://phys.org/news/2026-10-shredded-star-reveals-massive-black.html Astronomy Fri, 16 Oct 2026 09:20:17 EDT news711112932 A new study of young tectonic landforms on the moon offers the most detailed estimate yet of how much the moon has contracted as its interior gradually cooled over time. https://phys.org/news/2026-10-lunar-fault-reveal-moon.html Planetary Sciences Thu, 15 Oct 2026 18:40:08 EDT news711296581 Astronomers have used NASA's Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the "Treble Clef" because its distinct shape strongly resembles the musical symbol. https://phys.org/news/2026-10-chandra-treble-clef-galaxy-cluster.html Astronomy Thu, 15 Oct 2026 12:20:14 EDT news711283870 University of Warwick astronomers have shown that white dwarf stars can glow in a range of colors, including the first star ever found that would appear green to the human eye. https://phys.org/news/2026-10-green-pink-purple-astronomers-reveal.html Astronomy Wed, 14 Oct 2026 20:10:01 EDT news711185462 If you've ever had your car start sluggishly, or not at all, on a particularly frigid winter morning, you know standard batteries do not like extreme cold. That's why NASA researchers are working to develop a battery that could function in the brutal cold of the moon's south pole, where nighttime temperatures plunge to minus 328 degrees Fahrenheit (minus 200 degrees Celsius). https://phys.org/news/2026-10-nasa-batteries-power-humanity-moon.html Space Exploration Wed, 14 Oct 2026 19:40:02 EDT news711213681