Researchers at Tel Aviv University have verified a theory that asteroid pairs are formed when small gravel-sized rocks separate from a larger asteroid through centrifugal force. The study, published in Nature, reveals that these 'separated asteroids' share the same orbit and demonstrate the existence of paired asteroid relationships.
Two amateur astronomers independently observed an asteroid impact on Jupiter, opening a potential giant research lab in space for planetary scientists. The initial observations could help understand the behavior of meteoroids and their effects on Jupiter's atmosphere.
Scientists at NPL have developed a new strategy for quicker and more precise detection of biomarkers, proteins indicating disease. This approach uses a probe to 'fish' for likely proteins in crowded blood samples, potentially leading to earlier diagnosis and treatment of Alzheimer's and cancer.
The Solar Probe Plus mission will measure energetic particles in the Sun's corona, providing critical data on acceleration mechanisms and space weather. SwRI-led instruments will help determine the structure and dynamics of the Sun's magnetic field and forecast hazardous space weather.
A new study shows that sunlight drives asteroids to split in two and move far apart, forming binary and divorced binaries. The research suggests that many of these binaries likely originated from asteroid fission, with smaller asteroids separating at low velocities.
Researchers discovered that many binary asteroid pairs do not remain bound to each other but escape, forming two separate asteroids in orbit around the sun. The study showed a specific relationship between the larger and smaller members of the pair, with the smallest one always less than 60% of the size of its companion.
Asteroid 2008 LC18 is found in the L5 stability region of Neptune, with an estimated diameter of 100 kilometers. The discovery suggests a population of similar asteroids at L5, outnumbering those in the main asteroid belt.
Asteroid '(101955) 1999 RQ36' has a 0.00054 chance of colliding with Earth in 2182, according to researchers who used the Monte Carlo Method and line of variations sampling models. The asteroid's orbit is influenced by the Yarkovsky effect, which slightly modifies its path.
NASA's six-week GRIP mission will study the creation and rapid intensification of hurricanes, analyzing factors such as cloud droplet concentrations, air temperature, and wind speed. The mission aims to better understand how tropical storms form and develop into major hurricanes.
The Deep Impact spacecraft will fly past Earth for the fifth and last time on its EPOXI mission, changing its orbit to boost speed on its way to comet Hartley 2. The spacecraft's instruments will be used during an extended flyby in November to gather data on the comet.
A six-man international crew will undergo a simulated 520-day Mars mission to assess the impact of prolonged isolation on mental health. The study aims to better understand how sleep loss, fatigue, and stress affect performance in long-duration space missions.
The University of Leicester is involved in the ExoMars mission, which aims to characterise the chemical, geological and possible biological environment on Mars. The mission will attempt to gather samples from a depth 1-2m below the surface where they are protected from radiation.
NASA has successfully completed the Mission Critical Design Review (CDR) of its Landsat Data Continuity Mission, paving the way for full-scale fabrication and assembly. The LDCM will extend Landsat's record of Earth's changing landscapes with evolutionary technology improving performance and reliability.
Scientists confirm asteroid ended the age of dinosaurs through a review of geological evidence, including the Chicxulub crater. The research group rejects an alternate hypothesis that long-term volcanic activity caused mass extinctions.
Researchers at UCLA developed two PET scanning probes that target different cells in the immune system with high specificity. The probes work better when used together, revealing the extent and cellular composition of an immune response and its effects on various diseases, including cancer and auto-immune disorders.
Researchers discovered water ice and organic molecules on asteroid 24 Themis, suggesting it may have delivered water to Earth 4 billion years ago. The findings support the theory that asteroids could have brought water to our planet after its formation.
Asteroid 24 Themis has been found to have a thin film of ice coating its surface, with complex, long-chained molecules detected as well. This suggests that water ice is abundant in the asteroid's interior and may be responsible for delivering water to Earth.
Researchers have created a way to implant an inorganic device into a cell wall without damaging it, allowing for up to a week of observation. The 'stealth' probe mimics natural gateways in the cell membrane and integrates smoothly into membranes, enabling electrical access to the inside of cells.
The NIST team has built an ultra-stable instrument for tugging on chains of atoms, achieving results that require heroic efforts at vibration isolation. The new instrument enables the direct measurement of force between two gold atoms, giving researchers a direct method to calibrate their equipment.
A team of researchers, including UC San Diego's Richard Norris, presents new evidence linking an asteroid impact to the mass extinction that wiped out dinosaurs and other organisms 65.5 million years ago. The study highlights a unique layer of debris in deep-sea sediments that correlates with abrupt environmental changes.
The asteroid impact hypothesis has gained overwhelming acceptance within the scientific community, and new evidence from ocean drilling and continental sites confirms its validity. The Chicxulub impact in Mexico is believed to have caused an abrupt and major decrease in productivity and species diversity at the K-Pg boundary.
A panel of international experts confirms that an asteroid collision caused the Cretaceous-Tertiary mass extinction, which killed off the dinosaurs and over half of Earth's species. The Chicxulub asteroid impact triggered a global winter, causing widespread destruction and paving the way for mammals to dominate the planet.
Asteroid impacts over billions of years have left the Moon with a pockmarked surface, but a new crater may expose a portion of the lower crust. The Apollo Basin, formed by a smaller asteroid impact, measures 300 miles across and is believed to reveal the lunar crust's early history.
Nannoplankton extinction correlates with latitude, with higher rates in the Northern Hemisphere. Toxic metals from the asteroid impact likely delayed recovery due to impaired photosynthesis and reduced nannoplankton reproduction.
Asteroids that come within a quarter of the distance between Earth and the moon experience seismic shakes strong enough to create fresh surface material. The finding helps answer decades-long questions about meteorite origins and opens a new field of asteroid seismology.
The WUSTL-led MoonRise mission is one of three finalists for a $650 million NASA space science venture. The mission aims to retrieve two pounds of lunar rocks and return them to Earth, providing new insights into the early history of the Earth-Moon system.
CU-Boulder is leading a $3.3 million concept study for a lander mission to Venus, aiming to study the planet's surface, climate, and atmosphere. The mission will compare Venus with other terrestrial planets and help understand Earth's fate.
The GPM mission will provide uniformly calibrated precipitation measurements globally every 2-4 hours for scientific research and societal applications. The mission builds on the success of TRMM and includes a Dual-frequency Precipitation Radar (DPR) and a multi-channel GPM Microwave Imager (GMI) to improve precipitation estimates.
The TacSat-4 spacecraft has completed environmental and performance testing, awaiting launch. The mission provides near global coverage of Ultra High Frequency (UHF) channels for communications, data exfiltration, and Blue Force Tracking.
The FASTSAT mission will analyze the Earth's outer atmosphere with three NASA-built instruments: Thermosphere Temperature Imager (TTI), Mini-ME neutral atom imager, and Plasma and Impedence Spectrum Analyzer (PISA). The instruments will provide critical data for global space weather prediction, improving communication and navigation.
UNH's Space Science Center played a crucial role in the Interstellar Boundary Explorer (IBEX) mission, which has provided groundbreaking maps of the boundary between our solar system and the interstellar medium. The mission's data reveals new insights into the interactions between the solar wind and interstellar gas, including the form...
A UCLA-led study confirms Pallas, the second-largest asteroid, is a protoplanet due to its unique shape and color variation. The research reveals a dynamic surface with areas of dark and light, indicating internal changes, similar to those found on planets.
A team of scientists used cameras to capture fireballs streaking across the night sky, calculating its orbit and asteroid origin. The rare achondrite meteorite is from the inner asteroid belt, providing valuable insights into the solar system's evolution.
Researchers discovered that an atomic force microscope's behavior changes when used in water, enabling the study of biological molecules' mechanical properties. The findings reveal details about a bacterial membrane and a virus called Phi29, shedding light on their intrinsic variations in local stiffness.
The Gravity and Extreme Magnetism Small Explorer (GEMS) mission, led by NASA's Goddard Space Flight Center, will measure cosmic X-ray polarization. It aims to detect dozens of sources and provide insights into extreme environments, such as black holes and supernova remnants.
A study found that adjusting the Fibroscan probe position can significantly alter liver stiffness measurements, with potential implications for diagnosing advanced fibrosis and cirrhosis. The researchers suggest a more anterior probe position may improve test applicability and reduce false positives.
Numerical simulations show that comet-like objects in a disk outside the solar system were scattered into the outer asteroid belt during a violent phase of planetary evolution. The models suggest that dramatic upheaval occurred in the solar system around 3.9 billion years ago, affecting nearly every nook and cranny.
Researchers studied effects of lighting interventions, stress and fatigue monitoring on crew performance. The 105-Day Mars Mission aimed to improve work performance in a realistic setting.
The Phoenix Mars Mission provided new details about Mars' water history, including patterns in the ground near the landing site and surprising findings of perchlorate. Researchers discovered ice at varying depths and observed daily weather changes, revealing clues to Martian soil chemistry.
The Lunar Reconnaissance Orbiter has entered lunar orbit, marking a crucial milestone for the mission, which aims to compile high-resolution maps of the lunar surface and survey it at various spectral wavelengths.
The MMS mission will investigate magnetic reconnection, a fundamental process that impacts technologies like communications and power grids. The four observatories will be deployed in a pyramid configuration to study the phenomenon near the boundary between Earth's magnetosphere and solar wind.
Researchers at USC School of Dentistry and Viterbi School of Engineering developed a non-thermal plasma dental probe that destroys bacterial colonies and disinfects hard-to-reach areas. The tool uses pulsed power to create a room temperature plasma with antibacterial properties.
A new University of Colorado at Boulder study suggests that an asteroid attack nearly 4 billion years ago may not have extinguished potential early life on Earth, but instead gave it a boost. The research indicates that microbes could have survived in subsurface habitats and flourished during the Late Heavy Bombardment.
Researchers at Northwestern University have developed a Nanofountain Probe that can precisely deliver tiny doses of drug-carrying nanomaterials to individual cells. The tool enables targeted cancer treatments and improves drug delivery by reducing side effects and increasing targeting accuracy.
The CU-Boulder instrument, part of NASA's Hubble Servicing mission, will probe the universe's evolution from its perch on the Hubble Space Telescope. Scientists aim to reconstruct the physical conditions and evolution of the early universe by gathering information from ultraviolet light.
New research by Princeton University geoscientist Gerta Keller suggests that volcanoes, not an asteroid, were the likely culprits in the demise of the Earth's giant reptiles. The study found 'biotic evidence' and 'aftermath' sediments indicating a massive die-off occurred much later than previously thought.
The NRL's SoloHI instrument will provide revolutionary measurements to pinpoint solar storms, offering a pristine view of the solar wind plasma. The Solar Orbiter mission aims to understand how the sun varies and its impact on planetary systems.
A North Carolina State University researcher has developed a method to deflect asteroids by attaching a long tether and ballast to the incoming object, changing its center of mass and orbit. This system shows promise in altering the motion of an asteroid to miss hitting Earth.
Chemists at the University of Illinois developed a molecular force probe to study the effects of stretching molecules, revealing counterintuitive results about chemical bond breaking rates. The technique allows researchers to explore the properties of transition states governing chemical transformations.
UK astronomers successfully observed the asteroid 2008 TC3 using the William Herschel Telescope on La Palma, collecting data that helped predict its impact and study its rare F-class composition. The results demonstrate the importance of asteroid research in mitigating potential impacts.
Researchers successfully identified an asteroid in space before it entered Earth's atmosphere, predicting its area of origin and arrival time. The event tested the society's response to a predicted impact, showcasing the ability to quickly evacuate danger zones and take cover.
Researchers calibrated laboratory analyses of a meteorite with telescopic observations of its precursor asteroid, providing new insights into asteroid compositions and origins. The study identified the asteroid as a ureilite, potentially originating from the same parent body.
Researchers at NIST and CU have developed a method to detect and monitor light reflected off the probe needle point, improving AFM stability under ambient conditions. This enables sensitive atomic-scale measurements at room temperature in liquids, with improved image quality and reduced drift.
The Solar Orbiter mission will explore the Sun's plasma properties and composition using the SPICE instrument, advancing our knowledge of the Sun's dynamics. The data will help understand the effects on Earth and the solar system.
A team of CU-Boulder students and professionals will operate the Kepler spacecraft from launch, monitoring onboard systems and uploading commands twice a week. The mission aims to identify small, rocky planets in habitable zones, fueling growing excitement among space scientists.
A study published in Neuron found that near-misses in slot machines elicit brain activity linked to natural rewards and motivate players to gamble again. Brain regions involved in drug addiction showed increased activity in response to near-misses.
Two rare meteorites from Antarctica reveal the presence of an ancient asteroid with a crust similar to Earth's continents. The discovery provides new insights into the formation of andesite crust in our Solar System, challenging traditional plate tectonics theories.
Two newly discovered meteorites from Antarctica have feldspar-rich rock called andesite, similar to those found on Earth. The rocks' age and chemical signature suggest they formed on an undifferentiated asteroid with a diameter over 100 kilometers, providing insights into the early stages of planetary formation.
The NPOESS Preparatory Project (NPP) successfully completed a comprehensive Mission Operations Readiness Review, assessing its operational readiness and progress to launch. The review determined that NPP's overall operations readiness is sound, with strengths and weaknesses identified but no major issues found.
Researchers at Mayo Clinic developed a probe that can detect cancerous cells in the colon with 90% accuracy, reducing the need for unnecessary polyp removal. The probe-based confocal laser endomicroscopy system could potentially cut colon polyp removal in half.