Researchers discovered a massive increase in wave power near Jupiter's moons Ganymede and Europa, a million times more intense than average. This phenomenon is attributed to the strong magnetic fields of these moons, which amplify low-frequency radio waves.
Researchers Dirk Schulze-Makuch and Ian Crawford suggest two periods when Earth's Moon was habitable for simple lifeforms, including during its formation and a peak in volcanic activity around 3.5 billion years ago. Conditions were suitable for liquid water and an atmosphere to form on the lunar surface.
New images from the Juno spacecraft reveal that Jupiter's moons Io and Ganymede cast multiple, double-wingshaped auroral footprints on their parent planet. These large lunar bodies decorate the atmosphere with unusual patterns, previously seen as a bright spot footprint of each nearby moon.
Scientists at Southwest Research Institute found large, carbon-rich organic molecules emanating from Enceladus' subsurface ocean. The discovery indicates the moon's rocky core and warm water interact to form complex molecules, satisfying key requirements for life as we know it.
A team of Japanese scientists has discovered a mineral known as moganite in a lunar meteorite, reinforcing the theory that water exists on the Moon. The existence of moganite implies that there is water activity on the Moon.
Scientists reconstruct Earth's history with a new method that links astronomical theory to geological observation, enabling the analysis of ancient climate change. The study reveals days on Earth were over 18 hours long 1.4 billion years ago, and the moon's movement away contributed to the lengthening day.
A study co-authored by UCLA scientists reveals evidence of water vapor plumes on Europa's surface, providing further support for the possibility of a vast ocean beneath its icy outer shell. The research suggests that there are energy sources in the moon's interior that would be required if life were to develop on Europa.
Scientists analyzed newly resurrected data from Galileo's first flyby of Ganymede, revealing a stormy scene with particles blasted off the moon's icy surface due to incoming plasma rain. The results may hold key insights into why Ganymede's auroras are so bright.
Scientists propose a new model where a heavy layer of molten rock sits on top of the Moon's metal core, driving the dynamo and creating a strong magnetic field. This model explains the Moon's early strong magnetic field and its subsequent weakening.
Researchers found a small but measurable difference in oxygen isotopes between lunar and terrestrial rocks, proposing that most of Earth's water was acquired during the main stage of its growth. This challenges the widely accepted theory that the Moon formed from debris left over after a giant impact.
New research analyzing oxygen isotopic compositions of lunar and terrestrial samples supports a high-energy collision model for the Moon's origin. Most of Earth's water is believed to have been delivered before the Moon-forming impact, contradicting previous proposals that it was added later.
A new explanation for the Moon's origin proposes it formed inside a rapidly spinning, vaporized rock cloud called a synestia. The model resolves several problems in lunar formation and matches the pattern of the Moon's composition.
A study by Brown University researchers maps the mineralogy of the South Pole-Aitken basin, a giant impact crater on the Moon's far side. The research identified four distinct mineralogical regions within and around the basin, providing insights for future lunar exploration and landing site selection.
New research suggests the Moon may be wetter than initially thought, raising questions about its origin story and composition. Scientists have developed models to determine whether a wet Moon is compatible with a giant impact formation, finding that it's not an unlikely scenario.
A new study published in Nature Geoscience finds evidence of widespread and relatively immobile water on the Moon. The research suggests that the water may be present primarily as OH, a more reactive relative of H2O, which doesn't stay on its own for long.
A Southwest Research Institute scientist contributed to a study indicating water and/or hydroxyl may be more prevalent on the Moon's surface than previously thought. The research used multiple instruments and investigations to better characterize the inferred measurements of water, suggesting it is present under wider ranging conditions.
Researchers found that the Moon's excessive equatorial bulge formed slowly over four billion years ago as it receded from Earth. The study suggests a weaker young Sun may have enabled this process, with implications for our understanding of Earth's early energy dissipation.
Research reveals e-cigarettes deliver carcinogenic compounds to human cells, damaging DNA and reducing repair mechanisms. Mice exposed to e-cigarette smoke showed increased DNA damage in vital organs, mirroring effects seen in cultured human lung and bladder cells.
Researchers found that patients who received a combination of BRAF and MEK inhibitors before and after surgery had a six-fold increase in time to progression compared to standard-of-care surgery. The study suggests that presurgical targeted therapy may improve outcomes for patients with high-risk stage 3 melanoma.
A new global topographic map of Saturn's moon Titan has opened up new insights into its liquid flows and terrain. The map revealed several new features, including cookie-cutter holes, mountains, and lakes that are at sea level due to hidden sub-surface flow.
A study published in Seismological Research Letters found no correlation between great earthquake rates and lunar phases or day of the year. Large earthquakes were matched with lunar phase and day data to rule out random patterns, and no significant effects were detected.
Research suggests that sixbar wrasse baby fish settle on coral reefs during the moon's last quarter, resulting in a 10% larger size, likely due to delayed arrival. This delay allows them to avoid predators on bright full moon nights and increases their chances of survival.
A study published in The BMJ found that fatal motorcycle accidents increased by 5% on nights with a full moon and 32% under a supermoon, highlighting the importance of safe driving and reducing distractions. The researchers analyzed data from the United States, UK, Canada, and Australia to reach their conclusions.
Motorcyclists are advised to ride with extra care during a full moon due to an increased risk of fatal crashes, according to a new study. The research found that for every two full moon nights, there was one additional fatal crash.
Researchers simulated massive collisions after the Moon's formation, finding that moon-sized objects delivered significantly more mass to the young planet. This late accretion period lasted for hundreds of millions of years and had important consequences for the earliest evolution of Earth.
A team of scientists from MSU developed a compact spectral polarimeter for studying the surface composition of astronomical bodies. The device operates in the near-infrared range and was tested on two minerals simulating lunar and Martian surfaces.
Researchers discovered a significant cooling of Titan's polar atmosphere, contradicting model predictions and other celestial bodies. The study attributes this phenomenon to exotic photochemical reactions producing hydrocarbons that cool the atmosphere.
A research team recreated the lunar surface's formation and found that the Moon's crust initially formed from rock floating to the surface of a magma ocean. However, secondary processes resurfaced the Moon, exposing a younger, purer layer of plagioclase crust.
A NASA team is studying a CubeSat mission concept called Mini Lunar Volatiles Mission (MiLUV) to detect water on the lunar surface. The mission will use a laser spectrometer to measure surface reflectance at several wavelengths and gather data on the distribution and possible mobility of volatiles.
Scientists are planning to build an ambitious submillimeter-wave instrument to study the composition of geysers on Saturn's moon Enceladus. The instrument, SELFI, will measure traces of chemicals in the plumes, potentially revealing clues about the presence of extraterrestrial life and the ocean's chemistry.
Researchers used biblical and ancient Egyptian texts to determine an annular solar eclipse on 30 October 1207 BC, which could help date the Egyptian pharaohs, including Ramesses the Great. This calculation enables precise dating of their reigns with a one-year precision.
Thorsten Denk's device can make enough oxygen and water for 6 to 8 astronauts using a thermal solar reactor, powered by concentrated solar radiation. The process involves chemical splitting of water from lunar soil, followed by electrolysis to produce hydrogen and oxygen.
Astronomers conclude that Saturn's seven moons - Pan, Atlas, Prometheus, Pandora, Epimetheus, Mimas, and Janus - work together to contain the A ring. The moon's gravitational influence slows down the spreading ring's momentum, creating an edge.
Researchers found that extreme methane rainstorms occur frequently on Titan, creating massive floods in deserts and shaping the moon's surface. The storms are correlated with the formation of alluvial fans, similar to those on Earth.
Scientists have discovered that the moon's mantle is composed of orthopyroxene, not olivine, contrary to previous assumptions. This finding challenges models for the formation and evolution of the Moon and its differences from Earth.
A research team led by DGIST Professor Moon Cheil has identified the reason behind olfactory dysfunction in patients with early-stage Alzheimer's disease. The study reveals that a toxic protein called beta-amyloid accumulates in the peripheral nervous system, specifically in the olfactory epithelium, leading to olfactory failure.
Scientists propose a new concept of terrestrial planet formation involving heat-pipes, which transport heat from interior to surface via mantle melting and magma ascent. This hypothesis resolves major outstanding problems across all planets, including the formation of volcanic terrains and lithospheres.
Scientists from Brown University have created a quantitative map of water and its chemical building blocks trapped in the uppermost portion of the Moon's soil. The study found that the signature of water is present nearly everywhere on the lunar surface, with concentrations reaching up to 500-750 parts per million at higher latitudes.
A new study from the University of California San Diego suggests that the moon's interior is likely very dry, contradicting recent findings of wetness. The researchers analyzed fragments of the 'Rusty Rock,' a lunar rock collected during the Apollo 16 mission in 1972.
The Lunar Reconnaissance Orbiter (LRO) will capture an image of the Moon's shadow on Earth during a solar eclipse on Aug. 21. The public can participate by waving at the Moon, with the camera resolution able to see continents and large surface features.
Scientists will measure lower corona in fine detail using new instruments during the Aug. 21, 2017 eclipse. This data will help characterize complex magnetic field and predict space weather events.
Astronomer Rory Barnes finds that tidal locking is a major factor in the evolution of potentially habitable exoplanets, suggesting they may be more common than previously thought. The research suggests that even Earth's 'twin' could be tidally locked.
Researchers found that the moon's magnetic field declined by about 90 percent over 3.56 billion years ago, with a 1-2.5 billion year time frame for its existence. This discovery has implications for habitability on other moons and planets, as well as the potential for life to respond to unstable environments.
Researchers from MIT and Rutgers University found evidence of an active lunar dynamo that generated a magnetic field lasting at least 1 billion years longer than previously thought. The study suggests two possible mechanisms that powered the moon's ancient core, shedding new light on the phenomena that produced the lunar dynamo.
Scientists aim to understand how the moon got its 'tattoos' with a novel mission concept involving two connected CubeSats. The Bi-sat Observations of the Lunar Atmosphere above Swirls (BOLAS) mission could provide data on lunar hydrogen cycles and mechanisms for hydrogen implantation, shedding light on the formation of lunar swirls.
NASA scientists have definitively detected acrylonitrile, a chemical thought to form stable structures similar to cell membranes, in Titan's atmosphere. This finding suggests the possibility of membrane-like structures forming on Titan, which could be an important step towards life discovery.
Scientists have discovered water in ancient volcanic deposits on the Moon's surface, finding that nearly all large pyroclastic deposits contain high amounts of trapped water. This bolsters the idea that the lunar mantle may be more water-rich than previously thought, with implications for future lunar exploration.
A technique called digital holographic microscopy, which uses lasers to record 3-D images, may be used to spot extraterrestrial microbes on Enceladus. The method could help identify living cells by analyzing motion and chemical composition.
The Hubble Space Telescope has captured images of Phobos, the smallest moon in our solar system, as it orbits Mars. Phobos is just 16.5 miles across and completes an orbit in just 7 hours and 39 minutes, faster than Mars' rotation.
New research on Titan's lakes reveals that most waves reach only about 1 centimeter high, making it a serene environment suitable for safe landing of future probes. The study suggests that the winds are likely low, with patches of smooth and rough surfaces detected.
Scientists detect methanol around Saturn's moon Enceladus using a ground-based telescope, suggesting complex chemical reactions occur in the plume once it's ejected into space. This finding highlights the need for further direct observations by future spacecraft to understand the chemistry of subsurface oceans.
Researchers have solved a long-standing riddle in the analysis of meteorites from Moon and Mars using high-pressure experiments at DESY's X-ray light source PETRA III. The study reveals that cristobalite can transform into seifertite under non-hydrostatic conditions, challenging previous assessments of meteorite formation conditions.
Scientists using LRO data identified bright areas near south pole craters that are cold enough for frost to be present. The analysis combined surface temperatures with light reflection information.
Astronomers from Cornell University and NASA have found evidence that Enceladus' axis has reoriented by about 55 degrees, suggesting an asteroid impact may have triggered the change. The moon's south pole is geologically young and active, while the north pole appears older and covered in craters.
The Solar Dynamics Observatory (SDO) caught a partial solar eclipse in space when the moon passed in front of the sun. The lunar transit lasted almost an hour and covered about 89% of the sun's surface. The moon's rugged terrain, sprinkled with craters and mountains, influenced what was seen during the event.
Researchers have found that radioactive decay in rocky cores of icy bodies can produce molecular hydrogen, a key ingredient for life. This process, known as radiolysis, has the potential to support microbial communities on planets like Enceladus and Europa.
Astronomers have discovered a moon orbiting the third largest dwarf planet in our solar system using NASA's Hubble Space Telescope. The discovery provides key insights into how moons formed in the young solar system.
The melting of glacial ice contributes to sea-level rise, displacing millions of people, while glaciers also serve as a source of fresh water. However, researchers like Twila Moon warn that glaciers are shrinking at an alarming rate, with devastating consequences for the planet's weather and climate systems.
ASU's ShadowCam optical camera will observe permanently shadowed regions on the Moon monthly, detecting seasonal changes and measuring terrain. The instrument will merge images with Lunar Reconnaissance Orbiter data to create complete maps of craters hosting these enigmatic regions.
Cassini-Huygens mission has fostered dazzling discoveries, including in-depth studies of Saturn's rings, methane lakes on Titan, and hot water plumes from Enceladus. The spacecraft will enter Saturn's atmosphere and vaporize after final ring-dive on September 15.