News about astronomy and viewing the night sky. http://www.skynightly.com/index.html Mon, 26 May 2025 11:49:33 GMT Mon, 26 May 2025 11:49:33 GMT en-us When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant planet, the rare good news raised hopes humanity could soon learn we are not alone in the universe. But several recent studies looking into the same data have found that there is not enough evidence to support such lofty claims, with one scientist accusing the astronomers ]]> Mon, 26 May 2025 11:49:33 GMT Scientists at Paderborn University have set a new benchmark in quantum photonics by demonstrating the fastest control yet of individual photons in a cryogenic circuit. Their achievement marks a significant leap for quantum communication, simulation, and information processing by enabling real-time manipulation of single light particles at temperatures near absolute zero. The research team ]]> Mon, 26 May 2025 11:49:33 GMT Astronomers have captured a rare cosmic encounter in which a galaxy armed with a powerful quasar bombards a companion, drastically altering its ability to form stars. The discovery, detailed in Nature, showcases a previously unseen phenomenon of quasar radiation interfering with galactic star formation. Using data from the European Southern Observatory's Very Large Telescope (VLT) and the ]]> Mon, 26 May 2025 11:49:33 GMT A newly identified planetary system, labeled 2M1510, may be home to one of the most unusual planetary orbits ever observed. A candidate planet appears to loop above and below the poles of a pair of brown dwarfs-celestial bodies too massive to be planets yet too light to ignite like stars. These two brown dwarfs orbit each other closely, while a third brown dwarf circles them at a much greater di]]> Mon, 26 May 2025 11:49:33 GMT The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, according to a new study by an international collaboration led by Penn State astronomers. The study leveraged the unparalleled capabilities of NASA's James Webb Space Telescope (JWST) and sophisticated thermochemical modeling to investigate a protoplanetary disk - the dust and ]]> Mon, 26 May 2025 11:49:33 GMT To shed light on the evolutionary roots of the cyanobacterial circadian clock, a Japanese research team has traced the development of timekeeping proteins from ancient bacterial ancestors. Their study focused on the oscillatory behavior of KaiA, KaiB, and KaiC proteins, comparing the mechanisms in modern cyanobacteria to those of ancestral versions. "Extant cyanobacteria utilize a circadia]]> Mon, 26 May 2025 11:49:33 GMT My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo streamed to my tablet. It sparkled on the screen in front of us. "That's the Pinwheel galaxy," I said. The name is derived from its shape - albeit this pinwheel contains about a trillion stars. ]]> Mon, 26 May 2025 11:49:33 GMT Astronomers have released the largest sample of galaxy groups ever identified, utilizing data from the James Webb Space Telescope (JWST) within the COSMOS Web field. This breakthrough offers an unprecedented view into the early stages of galaxy formation and the evolution of large-scale cosmic structures. The dataset spans roughly 12 billion years, capturing light from some of the universe]]> Mon, 26 May 2025 11:49:33 GMT An international research team has provided fresh insights into the origins of oxygenic photosynthesis by revealing the structure of a light-harvesting nanodevice within one of the planet's most ancient cyanobacteria lineages. This breakthrough, detailed in the Proceedings of the National Academy of Sciences, offers a rare glimpse into how early life forms harnessed sunlight, setting the stage f]]> Mon, 26 May 2025 11:49:33 GMT Scientists investigating the origin of life suggest that primitive membranes may have influenced which biomolecules became foundational to life. Their study examines how the earliest cell membranes could have filtered molecules, favoring those used in modern biology. Cells are defined by their membranes, which regulate what substances can enter or leave. This control is especially relevant]]> Mon, 26 May 2025 11:49:33 GMT Lightning has long captivated scientists, but a new study from The University of Osaka has shed unprecedented light on the high-energy physics behind it. Researchers have captured the first-ever detailed observation of a terrestrial gamma-ray flash (TGF) occurring precisely in sync with a lightning discharge. TGFs are extremely brief but intense bursts of gamma rays, lasting mere microseco]]> Mon, 26 May 2025 11:49:33 GMT Magnetar flares, colossal cosmic explosions, may be directly responsible for the creation and distribution of heavy elements across the universe, suggests a new study. For decades, astronomers only had theories about where some of the heaviest elements in nature, like gold, uranium and platinum, come from. But by taking a fresh look at old archival data, researchers now estimate that up to]]> Mon, 26 May 2025 11:49:33 GMT One of the most profound open questions in modern physics is: "Is gravity quantum?" The other fundamental forces - electromagnetic, weak, and strong - have all been successfully described, but no complete and consistent quantum theory of gravity yet exists. "Theoretical physicists have proposed many possible scenarios, from gravity being inherently classical to fully quantum, but the]]> Mon, 26 May 2025 11:49:33 GMT A new theory from Dartmouth College researchers suggests that dark matter, the elusive substance making up most of the universe's mass, may have originated from the rapid transformation of fast-moving, nearly massless particles in the early universe. Published in Physical Review Letters, the study posits that dark matter formed when these particles, initially moving at relativistic speeds,]]> Mon, 26 May 2025 11:49:33 GMT Earth - our tiny blue dot in the galaxy - is approximately 26,000 light years away from a fascinating and active region of the Milky Way called the Central Molecular Zone (CMZ). This region holds clues about how stars are born, how energy moves through our galaxy, and maybe even some details about dark matter. However, analyzing this area is challenging, because we do not have a clear top-]]> Mon, 26 May 2025 11:49:33 GMT