The NASA GOLD Mission observes the dynamic intermingling of space and Earth's uppermost atmosphere, seeking to understand what drives change in this critical region. The mission provides fast observations to monitor hour-by-hour changes in space weather and improves forecasting models for satellites, astronauts, and life on Earth.
Researchers at The University of Tokyo's Institute of Industrial Science have developed a new probe to track vitamin C levels in the body using fluorescence. This breakthrough allows for precise monitoring of ascorbic acid concentrations, which has potential applications in cancer treatment.
Two meteorites found to contain both liquid water and complex organic compounds like hydrocarbons and amino acids. The study suggests dwarf planet Ceres and asteroid Hebe may be sources of rich organic matter.
The Star-Planet Activity Research CubeSat (SPARCS) mission aims to monitor the flares and sunspots of small, cool stars, known as M dwarfs, to assess their habitability for planets. The spacecraft will use ultraviolet-sensitive detectors to study how stellar activity affects planetary environments.
NASA has selected the Comet Astrobiology Exploration Sample Return and Dragonfly mission for concept development under the New Frontiers program. The CAESAR mission aims to return a sample from a comet to study its origin and history, while the Dragonfly mission will explore Saturn's moon Titan and its prebiotic chemistry.
Japanese researchers from Osaka University have developed a muon-based approach to non-destructive investigations for unique asteroid samples. The technique enables the study of extraterrestrial organics and major elements without destroying the samples, with potential applications in archaeology, material science, and social sciences.
The proposed FOXSI mission will study the physical mechanisms behind solar flares and their impact on Earth. By analyzing X-ray radiation and particle acceleration, scientists aim to gain a deeper understanding of space weather and its effects on satellites and communications systems.
A new NASA mission concept aims to study why planets lose their atmospheres. The proposed Mechanisms of Energetic Mass Ejection-Explorer (MEME-X) mission will use Earth as a laboratory, focusing on the loss of mass in the upper atmospheric layers and its interaction with solar wind.
Research suggests that asteroid impacts on hydrocarbon-rich areas may have caused global climate changes, leading to mass extinctions. The Chicxulub impact, occurring 66 million years ago, is a rare case of this phenomenon.
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.
The Chicxulub asteroid impact likely released over three times as much sulfur gas into the atmosphere, implying a colder period than previously thought. The increased sulfur release led to a dramatic cooling of Earth's climate, potentially devastating plant life and marine ecosystems.
Researchers at NASA's Goddard Space Flight Center are developing a highly compact infrared microbolometer camera called ComCAM to study near primitive objects. The device has the potential to assist in the redirection or possible destruction of an asteroid on a collision course with Earth.
A proposed NASA mission employs lobster-eye optics to locate the source of gravitational waves, a key feature in understanding cosmic ripples. The Transient Astrophysics Observatory on the International Space Station aims to characterize and alert other observatories to these events.
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 team led by University of Iowa physicist Craig Kletzing has won $1.25 million from NASA to conceptualize a potential mission to study the interactions between the sun and Earth's magnetic fields. The mission, called TRACERS, aims to better understand how the solar wind affects our planet and its technology.
Asteroid impact led to rapid genetic evolution in surviving birds, potentially influencing modern bird diversity. Human activities may accelerate similar 'Lilliput Effect', impacting evolution across species.
Astronomers have observed a unique type of object in the asteroid belt between Mars and Jupiter, revealing two asteroids orbiting each other and exhibiting comet-like features. The research provides crucial information about the origin and evolution of main-belt comets, which can help answer questions about how water came to Earth.
CU Boulder scientists, led by Professor Larry Esposito, will continue to study Saturn's rings, moons and atmosphere using the Ultraviolet Imaging Spectrograph (UVIS) instrument on the Cassini-Huygens mission. The team has made numerous discoveries, including the detection of oxygen atoms in Saturn's system and water plumes from Enceladus.
Scientists estimate that a massive asteroid impact could have triggered 2 years of darkness on Earth, shutting down photosynthesis and drastically cooling the planet. The research found that soot in the atmosphere would have blocked sunlight, causing a steep decline in average temperatures.
Researchers at Oak Ridge National Laboratory developed a probe to detect direct-current (DC) energy, ensuring safe contact with electrical lines. The 'Hot Stick' probe can penetrate cable insulation and indicate whether a cable is fully discharged of energy.
Researchers at Michigan Technological University have developed new probes that can detect low pH in living cells without causing photobleaching. The probes are coated with a simple sugar found in fruits and emit light in two different ways, making them highly sensitive to pH and gentle on cells.
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.
TESS will survey stars up to 100 times brighter than Kepler, finding thousands of new exoplanets around bright nearby stars. The mission will provide ideal targets for follow-up observations with the James Webb Space Telescope.
A team of astronomers identified a relatively unpopulated region of the main asteroid belt containing pristine relics from early solar system history. They also discovered the oldest known asteroid family extending throughout the inner region of the main asteroid belt.
A group of dark asteroids with related orbits have been identified as part of a previously unknown family, estimated to be roughly 4 billion years old. The discovery provides valuable information on the size distribution of original planetesimal bodies and challenges traditional theories of asteroid formation.
Researchers develop method to directly observe dynamic fracture in metals, shedding light on material properties and behavior under stress. The technique enables real-time observation of atomic structure deformation and determination of stress required for fracture.
Researchers have created a new gadolinium-based probe for noninvasive monitoring of lung fibrogenesis, which can lead to scarring. The probe targets allysine, an amino acid indicative of active collagen cross-linking, and displays high target selectivity in both test tube and real mouse models.
A new study suggests that a massive asteroid impact early in Mars' history could explain the planet's unique geological features. The research proposes that an asteroid at least 1,200 kilometers across crashed into Mars, depositing rare metals and creating the planet's hemispheres.
The University of Oklahoma has secured an $161 million NASA contract for a groundbreaking Earth science mission. The Geostationary Carbon Cycle Observatory (GeoCarb) will monitor plant health and vegetation stress across the Americas, as well as probe carbon dioxide and methane exchange processes in the atmosphere.
A multimodal optical spectroscopy probe has been developed to detect brain, lung, colon, and skin cancer cells with nearly 100% sensitivity. The probe's high accuracy enables surgeons to minimize cancer cells during surgery, improving patient outcomes and reducing the risk of recurrence.
Bee-Zed asteroid, discovered in 2015, orbits the Sun every 12 years, corresponding with Jupiter's orbital period, and shares its orbit despite moving in the opposite direction. This retrograde co-orbit is rare, occurring only in about 82 of the more than 726,000 known asteroids.
A team led by Dr James Bryson deciphered magnetic messages in rare metal meteorites, confirming Psyche as an exposed planetary core. The findings suggest the asteroid cooled quickly due to its rocky mantle stripped away.
The NICER mission will study neutron stars and pulsars, collecting X-rays to test theories of dense matter. The spacecraft will also demonstrate X-ray navigation using pulsar timing data.
Researchers found biochemical differences in astronauts with vision issues before space travel, suggesting a genetic predisposition. The study suggests that length of time in space may impact eye health and that further research is needed to resolve vision issues for astronauts.
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 discovery of ancient buckthorn fossils in Argentina sheds light on plant recovery after the asteroid extinction event. The fossils date back to the early Paleocene epoch and provide evidence for a Gondwanan origin of the Rhamnaceae family.
Researchers developed a high-throughput fabrication technique to print nanoscale imaging probes onto the tip of glass fibers, accelerating production from months to days. This enables the widespread adoption of nano-optical structures with potential applications in imaging, sensing, and spectroscopy.
The petitSat mission aims to study the link between plasma enhancements and Medium-Scale Traveling Ionospheric Disturbances (MSTIDs) in Earth's ionosphere. The satellite will measure plasma densities and ion distributions using two instruments, providing valuable insights into the transmission of GPS and radar signals.
Astronomers have confirmed the existence of separate inner and outer disk structures around epsilon Eridani, similar to the asteroid and Kuiper belts in our solar system. The star's debris disk is thought to be a key to understanding the evolution of our solar system.
Researchers have developed a handheld fiber optic probe that uses nonlinear imaging techniques to diagnose cancer without tissue staining. The probe can acquire multiple images simultaneously and has been tested on various tissue samples, showing promising results for identifying tumor borders.
Researchers developed flexible graphene and gold probes that can detect weak brain signals clearly, improving neural disease treatment and brain-machine interface capabilities. The new probes retain effective surface area despite shrinking size, paving the way for more convenient wireless versions.
A new study estimates that violent winds and shock waves are the most deadly effects of an asteroid impact, accounting for over 60% of lives lost. The study ranked seven effects associated with asteroid impacts and found that tsunamis accounted for 20% of casualties, while seismic shaking was the least concerning.
A new study led by Georgia Tech reveals that massive landslides on Ceres are indicative of hidden ice, suggesting up to 50% of the upper layers may be composed of ice. The research uses data from NASA's Dawn spacecraft to identify three types of landslides, offering insights into Ceres' composition and structure.
Researchers found signs of fault displacement at well-known rock outcrops in Colorado marking the end-Cretaceous asteroid impact. The study suggests massive seismic waves could have generated earthquakes as far away as Colorado.
A new collagen-targeting PET probe, Ga-CBP8, has shown promise in diagnosing and staging pulmonary fibrosis, as well as monitoring treatment response. The probe can differentiate between stable disease and progressive fibrosis, allowing for more effective treatment planning.
Asteroid Bee-Zed, orbiting the wrong way around the sun, has been playing a cosmic game of chicken with Jupiter for a million years. The asteroid's retrograde motion allows it to maintain a stable orbit despite its unusual path, thanks to Jupiter's gravity deflection.
A new fluorescent probe developed by Michigan Technological University researchers has the potential to improve cancer surgery outcomes. The probe uses a near-infrared fluorescence that can penetrate deep tissues, reducing background noise and increasing precision for surgeons.
The OSIRIS-REx mission successfully tested its asteroid search instruments, detecting multiple Main Belt asteroids two magnitudes fainter than expected. The spacecraft's MapCam imager performed flawlessly, demonstrating improved imaging capabilities that will aid in avoiding natural satellites around target asteroid Bennu.
Researchers have created a nanoscale damage-sensing probe that can be embedded into lightweight composites made of epoxy and silk. The probe uses a dye that changes color in response to applied force, allowing for the detection of even minor breaks and fissures within the composite material.
Researchers propose 'ballistic sorting' as mechanism underlying size-sorting of particles on asteroid Itokawa. The theory suggests that small pebbles rebound from boulders but sink into pebble-rich regions, leading to lateral separation of particles.
Physicists propose non-invasive probe to induce magnetic response in materials with weak or nonexistent fields. This technique could yield more sensitive MRI machines, high-speed storage memory, and efficient CPUs.
A UCL-led team found evidence of planetary debris surrounding a double sun system called SDSS 1557, which suggests the presence of terrestrial planets like Tatooine. The discovery is remarkable because it shows a high metal content, including silicon and magnesium, indicating rocky planet assembly via large asteroids that formed.
NASA's Modular Unified Space Technology Avionics for Next Generation missions (MUSTANG) is a smaller, more capable 'brain' for smaller spacecraft. The system controls various functions, including command and data handling, attitude control, power, and propulsion.
Scientists have detected aliphatic organic compounds on Ceres, suggesting that they formed on the asteroid itself. The findings indicate that the extreme heat from an impact would have destroyed these types of compounds, ruling out external delivery.
The OSIRIS-REx spacecraft captured a unique image of Jupiter and its three largest moons, Callisto, Io, and Ganymede. The image showcases the planet's distinct bands and was taken at 76 million miles from Earth.
The MMS spacecraft flies in a highly elliptical orbit around Earth, mapped in three dimensions using a tetrahedral formation. The mission uses GPS signals to calculate location and design maneuvers for precise control.
Researchers studied asteroid Chelyabinsk to determine properties necessary for deflection missions. The study found that an asteroid's composition, internal structure, density, and physical properties are crucial in determining the success of a kinetic projectile launch.
A team of astronomers successfully observed the entire hydrogen coma of comet 67P/Churyumov-Gerasimenko using the LAICA telescope onboard the PROCYON spacecraft. The observations provide a unique opportunity to test coma models and estimate the total amount of water released by the comet per second.
Researchers discovered the asteroid break-up occurred 2.5 million years before the rise in marine biodiversity, debunking the myth of a connection between the two events.
NASA used its Global Precipitation Measurement mission to analyze heavy rainfall in southern Thailand, which resulted in record-breaking totals. The analysis showed extreme rainfall of over 700 mm over the Gulf of Thailand and greater than 500 mm on land., Rainfall has increased significantly over Thailand during this La Nina year.