A new microscope probe-sharpening technique has been developed to improve imaging resolution and durability for researchers studying tiny structures. The technique, described in Nature Communications, uses a matching voltage to deflect ions and sharpens the probe around the tip, preserving the point and increasing stability.
The UK Space Agency has invested £11.5M in the Solar Orbiter mission, which will discover how the Sun creates and controls the heliosphere by flying closer than ever before to the Sun. The mission will study the Sun's magnetic field and solar activity, including coronal mass ejections that can affect Earth.
NASA's Hurricane and Severe Storm Sentinel (HS3) mission will deploy two Global Hawk aircraft to study hurricane formation and intensity changes. The aircraft will sample the environment of storms and measure winds, precipitation, and other factors to improve hurricane prediction.
A University of Tennessee professor has helped reveal a rare orbital shift and the density of an asteroid that will pass close to Earth. The asteroid, 1999 RQ36, has a low density and its orbit has drifted roughly 100 miles in the last 12 years due to the Yarkovsky effect.
Scientists have directly measured the Yarkovsky effect on asteroid 1999 RQ36, a subtle force causing it to drift from its gravity-ruled orbit. The measurements show the asteroid has deviated by roughly 100 miles over 12 years, revealing its low density and making it an ideal target for the OSIRIS-REx mission.
Scientists with the OSIRIS-REx mission have measured the orbit of asteroid 1999 RQ36 with great accuracy, directly determining the drift resulting from the Yarkovsky effect. The asteroid has deviated from its gravity-ruled orbit by roughly 100 miles in the last 12 years due to this subtle force.
A team of researchers discovered that a giant impact crater on Asteroid Vesta was formed in a recent collision. The analysis of high-resolution images from the Dawn spacecraft suggests that the impact occurred only about 1 billion years ago, which is unexpectedly young considering Vesta's formation age.
New findings from NASA's Dawn spacecraft provide the first geological overview of asteroid (4)Vesta, confirming two giant impact basins in its southern hemisphere. The surface is complex and varied, with abundant impact craters and preserved ejecta blankets, but no evidence of volcanic features.
A portable, miniature microscope has been developed to detect oral cancer in real-time, offering a significant improvement over traditional biopsy methods. The handheld probe uses a laser and micromirror technology to create full 3D images of tissue samples, providing high accuracy and potentially reducing treatment costs.
Researchers have developed a new technique to analyze spherules embedded in rock layers, providing precise information about asteroids impacting Earth between 3.5 billion and 35 million years ago. The findings support a theory that the early Earth endured an intense period of asteroid bombardment.
Researchers have discovered a series of ancient rock layers containing impact debris from massive asteroids that struck Earth over 3.8-1.7 billion years ago. The findings suggest an intense period of asteroid bombardment, with some impacts rivaling those that created the largest craters on the Moon.
A team of scientists, led by WSU astrobiologist Dirk Schulze-Makuch, is calling for a Mars mission with a strong life detection component. The BOLD mission would feature six probes that could detect signs of life in Martian soil through various experiments.
Scientists discovered tiny organisms thriving deep beneath a US asteroid impact site, supporting the idea that crater environments can harbor microbes. The researchers believe similar conditions exist on Mars, with drilling beneath craters potentially uncovering signs of life.
A team of researchers from Harvard and MIT suggests that massive asteroid collision is responsible for the Moon's magnetic anomalies. The anomaly is found around the rim of a 2,400-kilometer-diameter crater known as South Pole-Aitken.
The GPM mission, a joint effort between NASA and JAXA, aims to improve climate, weather, and hydrological predictions by providing accurate precipitation measurements from space. The GMI instrument will play a crucial role in measuring precipitation and environmental forecasting, particularly during extreme weather events.
The study suggests a massive cloud of trillions of asteroids and comets surrounds Sgr A*, where they are vaporized by friction as they pass through the hot gas flowing onto the black hole. The flares observed by Chandra could be explained by the frequent collision of asteroids with the black hole.
The National Polar-orbiting Operational Environmental Satellite System Preparatory Project has been renamed Suomi NPP in recognition of Verner Suomi's contributions to weather forecasting and climate change research. The new name reflects the mission's objective of advancing scientific knowledge of Earth and improving weather forecasts.
The average global temperatures and illumination models suggest that roughly half of Vesta's surface is cold and dark enough for water ice to survive. The polar regions are thought to be favorable for water ice existence, but may be buried beneath a layer of dry regolith.
The NRL SoloHI instrument will study coronal mass ejections and their effects on the solar wind, impacting power lines, satellite communications, and cell phone service. The Solar Orbiter mission will provide scientists with increased understanding of the Sun's influence on its environment and the solar dynamo.
The Radiation Assessment Detector (RAD) is measuring radiation levels on NASA's next rover mission to Mars. RAD characterizes the radiation environment astronauts would experience during a future human mission to Mars.
The NRL-developed MIGHTI satellite instrument is part of the ICON mission to study the Earth's ionosphere and its impact on communications. The ICON mission aims to understand the extreme variability in the ionosphere, which can interfere with signals.
The 520-day Mars Mission simulated prolonged operational confinement on a six-member international crew, collecting over 4.5 million minutes of actiwatch data to evaluate the impact on sleep patterns and mental health. The study's findings will help scientists mitigate potential problems for future long-duration space missions.
Researchers at Case Western Reserve University have developed a brain probe that softens after insertion, inducing less scarring and enabling the brain to heal faster. The nanocomposite probe, inspired by the skin of the sea cucumber, changes its mechanical properties in response to water, reducing damage to surrounding brain tissue.
Researchers found that the Lutetia asteroid is a dense, intact relic dating back to the solar system's formation. The asteroid's density was calculated using a mathematical method developed by Professor Mikko Kaasalainen, revealing a large and metallic core surrounded by a more porous outer layer.
Researchers found two moons orbiting the triple asteroid Minerva, offering insights into its formation and structure. The discovery sheds light on how large asteroids in the main-belt form, suggesting they are composed of rubble held together by gravity.
A team of researchers at the University of Warwick has found a solution to a 40-year-old problem in understanding solar wind turbulence. By analyzing data from the Cluster mission and creating a virtual model, they discovered that turbulence is not affected by the direction of travel of the solar wind, resolving a long-standing issue.
Researchers analyze asteroid dust brought back by Hayabusa spacecraft, confirming stony asteroids are birthplace of most meteorites. The discovery sheds light on the history of early solar system events and provides a new understanding of the origin of ordinary chondrites.
A novel imaging probe has been developed to detect dangerous heart-valve infections, such as those caused by Staphylococcus aureus, noninvasively. The probe uses a radiolabeled version of prothrombin to reveal the presence of infected bacteria in mouse models.
The Juno mission aims to resolve unanswered questions about the massive planet and its evolution. By analyzing microwave signals passing through Jupiter's atmosphere, scientists hope to understand how much water exists there.
The Juno Mission aims to study the origin and evolution of Jupiter, helping scientists understand planetary formation and the solar system. The spacecraft will orbit Jupiter's poles 33 times, measuring magnetic activity and water content in its atmosphere.
The University of Tennessee is part of a $800 million NASA mission to collect samples from asteroid 1999 RQ36, which may hold clues to the origin of life. The mission aims to investigate organic molecules and water on the asteroid, potentially hazardous to Earth.
Two NASA probes, part of the THEMIS mission, will map the lunar surface and its magnetic field. The ARTEMIS mission aims to acquire a full 3D view of the moon's magnetic fields and surrounding environment.
The Lunar Reconnaissance Orbiter has successfully completed its one-year exploration mission, providing unprecedented detail of the moon's surface and subsurface. The orbiter's instruments have captured over 192 terabytes of data, including the most precise topographic maps to date of the moon's complex landscape.
Researchers at Wayne State University have been awarded a $330,000 NSF grant to develop a 3-D neural probe that can suppress tinnitus by electrically and chemically stimulating neurons. The probe will enable the integration of micro-channels for neurotransmitter-based chemical stimulation and local drug delivery.
Researchers analyzed a pristine meteorite, finding that its organic compounds changed over time due to asteroid geology changes. Amino acids and monocarboxylic acids were present, essential for the evolution of first life forms on Earth.
Jupiter's Grand Tack model reveals the planet's youthful travels profoundly impacted the solar system. The giant planet's migration toward and away from the sun altered the nature of the asteroid belt, making Mars smaller than expected. The new model suggests Jupiter perturbed objects in the asteroid belt instead of destroying it.
Researchers propose a new theory on Mars' small size and low mass, suggesting that Jupiter's early gas-driven migration stripped the region of formation materials. The 'Grand Tack Scenario' simulation explains properties of the asteroid belt and its compositional differences between inner- and outer-belt bodies.
A UCF scientist is part of a historic mission to retrieve the first-ever sample from an asteroid in orbit. The team will navigate unusual gravity fields and rotate quickly to land on the asteroid, collecting pristine space rock for insights into Earth's origins.
A CU-Boulder team will participate in the OSIRIS-REx mission, which aims to map and collect samples from a primitive asteroid. The mission is expected to provide insights into the formation of the solar system and potentially shed light on the origins of life.
The OSIRIS-REx mission aims to study the asteroid 1999 RQ36, a primitive near-Earth object that contains original material from the solar nebula. The mission will return samples to Earth in 2023, providing insights into the solar system's formation and potential biosignatures.
The OSIRIS-REx mission will explore the asteroid 1999 RQ36 for over a year, collecting pristine organic material that may have seeded life on Earth. The returned samples will provide geologic context essential to expanding our understanding of the solar system and likely organic molecules.
A new malaria detection device has been developed using a standard camera cellphone and red laser pointer to noninvasively obtain finger blood perfusion images. The probe uses optical polarization/speckle principles to detect malaria pigment in blood, maximizing medical safety and patient comfort.
Asteroid Scheila unexpectedly brightened with short-lived plumes after being struck by a smaller asteroid, according to data from NASA's Swift satellite and Hubble Space Telescope. The collision created a crater 1,000 feet across and ejected over 660,000 tons of dust.
The study provides geological evidence to support the idea that the first solid material in the Solar System was fragile and extremely porous. Researchers analyzed an asteroid fragment and found that it had been subjected to shocks in space, possibly during periods of turbulence, which compacted the rock into a harder state.
The European Space Agency has approved a £400 million mission to study extra-solar planets, led by UCL, to look for signs of life in nearby star systems. The Exoplanet Characterisation Observatory (EChO) will use a 1.2 meter telescope to analyze the atmospheres of habitable planets and search for biomarkers.
The Stardust-NExT mission will allow scientists to study the surface of comet Tempel 1 before and after its orbit around the sun, comparing findings with previous probe data. The spacecraft's Dust Flux Monitor Instrument will also collect photographs of a crater left on Tempe 1 by a Deep Impact probe.
Researchers have developed a new bioluminescent probe that enables real-time detection of hydrogen peroxide levels in mice, allowing for the tracking of infectious diseases or cancerous tumors without harm. The PCL-1 probe has provided evidence that hydrogen peroxide is continuously produced even in healthy animals.
A New York City College of Technology research team has developed a method to deflect asteroids using solar sail technology. The technique involves heating the surface of an asteroid to create a jet stream, which would alter its trajectory and potentially convert an Earth impact into a near miss.
Researchers expand study of 2008 TC3 meteorite, finding diverse oxygen isotopes that suggest the asteroid's source had a complex formation history. The discovery has significant implications for our understanding of the meteorite's origin and potential connections to other celestial bodies.
A team of researchers developed a dual scanning tunneling and microwave-frequency probe to study nanoscale interactions, enabling the measurement of physical, chemical, and electronic interactions between single molecules and substrates. The probe can locate and switch single molecule switches on substrates with high resolution.
The NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission has been extended for the fourth time to study the upper atmosphere. The mission will focus on differentiating between human-induced and naturally occurring changes in this atmospheric region, allowing scientists to understand long-term trends.
The UMD-led EPOXI spacecraft flew by comet Hartley 2 at a distance of 435 miles, collecting never-before-seen images that will help scientists understand the composition and diversity of comets. The mission aims to learn more about the origin and history of our solar system by studying the material from comets.
The ARTEMIS mission involves two micro-satellites orbiting the moon, providing a three-dimensional perspective on energetic particle acceleration near the moon's orbit. The mission will also explore the space environment of the moon and its interaction with the solar wind.
Scientists from Friedrich-Schiller-University Jena developed a new process to grow carbon nanotubes on scanning probe tips, utilizing microwave radiation for rapid growth. The method improves the fabrication of sharp atomic force microscopy tips, reducing costs and enabling routine measurements.
NASA has formed a single systems engineering organization for its James Webb Space Telescope, combining Northrop Grumman's expertise with NASA's mission-level decision-making. The new team aims to streamline communication and decision-making, reducing costs and meeting the launch goal with minimal risk.
Researchers pinpointed the exact date of a February 2009 asteroid collision using computer simulations and OSIRIS camera system images. The debris trail's three-dimensional shape, visible from a unique Rosetta space probe viewpoint, helped reconstruct the collision in detail.
Astronomers tracked a bizarre X-shaped object, dubbed P/2010 A2, for five months using Hubble. The object is expanding slowly and retained its X-shape even as the debris field expanded, revealing details about asteroid collisions.
The CU-Boulder student-built dust counter on NASA's New Horizons mission has reached a distance of 1.67 billion miles from Earth, breaking the record for the most distant working space dust detector. The instrument collected data in agreement with earlier measurements made by NASA's Galileo and Ulysses missions to Jupiter.
A new study reveals that asteroid 65 Cybele contains water ice, challenging the earlier finding of organic molecules and water on asteroid 24 Themis. This discovery supports the theory that asteroids may have delivered water to Earth, potentially shaping our planet's formation.
The Solar Probe Plus mission will send a robotic spacecraft to the sun's atmosphere to answer long-standing questions about its outer layers. The probe will measure magnetic and electric properties, helping to understand how solar wind is generated and better comprehend the heliosphere.