A new study by Texas A&M University researchers has revealed insights into Mars' geological history and potential for ancient life. The team analyzed diverse volcanic rocks in the Jezero Crater, providing a window into the planet's distant past and signs of altered olivine.
The discovery of large carbon deposits in Gale Crater suggests that ancient Mars had a CO2-rich atmosphere, which supported liquid water and potentially life. Scientists are now trying to determine how much of this CO2 was sequestered, and whether it impacted Mars' ability to stay warm.
The Curiosity rover has identified high concentrations of carbonate minerals, indicating a carbon cycle operated on ancient Mars. The findings suggest that large amounts of carbon dioxide were locked into the planet's crust, providing insights into the planet's past climate.
Researchers analyzing data from NASA's Perseverance rover uncover mineral-forming events beneath the Martian surface, bringing scientists closer to answering if life existed on Mars. Two separate generations of calcium-sulphate minerals are found in different regions, hinting at multiple potential windows for life to have existed.
The SNMMI Mars Shot Research Fund has awarded a $100,000 fellowship to Dr. Randy Ye for his research on FAPI PET imaging for detecting invasive lobular carcinoma. The study aims to assess the ability of FAPI PET and FDG PET to detect tumors and evaluate its impact on patient care.
A new study from the University of Texas Institute for Geophysics suggests that Mars' molten core could explain its unusual magnetic field. Researchers used computer simulations to model a fully liquid core and found that it could produce a one-sided magnetic field, matching the imprint seen today.
Researchers have demonstrated that certain lichen species can survive Mars-like conditions, including ionizing radiation and harsh temperatures. The study suggests that lichens could potentially survive on Mars despite high doses of X-ray radiation.
Researchers from the Faculty of Sciences discover a deeper understanding of Martian climate through analysis of atmospheric waves. The study highlights greater asymmetry between Mars' southern and northern hemispheres, shedding new light on the Red Planet's climate dynamics.
Researchers have detected unprecedentedly large organic molecules on Mars, containing up to 12 consecutive carbon atoms. These findings provide valuable insights into the planet's potential for life and pave the way for future interplanetary science missions.
A recent PNAS study suggested Mars has a significant amount of liquid water in its mid-crust, but LASP Senior Research Scientist Bruce Jakosky challenges this conclusion. Using InSight mission data, the team found that the presence of water is not required by the data.
A new study reveals that atmospheric gravity waves play a crucial role in driving latitudinal air currents on Mars, particularly at high altitudes. The findings suggest fundamental differences from Earth's middle atmosphere.
Researchers at the University of Tokyo have developed a new optical photothermal infrared spectroscopy method to detect microbial cells in ancient rocks, analogous to those found on Mars. The study strengthens Mars sample return protocols by providing a reliable way to assess the presence or absence of life in samples.
A recent study by an international team of researchers suggests that the iron oxide mineral ferrihydrite is responsible for Mars' distinctive red hue. The researchers combined observational data with laboratory experiments to create Martian dust that matched known spectral data, indicating a water-rich environment in the past.
Researchers from Tohoku University have improved a Mars climate model to account for the planet's non-uniform regolith properties. The enhanced model shows that highly absorptive regolith in mid- and low latitudes retains substantial amounts of absorbed water, which remains on the surface as stable adsorbed water.
Scientists have identified a crystal phase that could theoretically crystallize under Martian core conditions, suggesting the Red Planet may have a solid inner core. This discovery was made using diamond anvil cells and single-crystal diffraction at the European Synchrotron Radiation Facility.
A new study published in Nature Communications suggests that the water-rich iron mineral ferrihydrite is responsible for Mars' iconic red color. The research, led by Brown University researchers, analyzed data from Martian orbiters and rovers, as well as laboratory simulations, to reach this conclusion.
New analysis of spacecraft observations and laboratory techniques reveals that Mars's red colour is better matched by ferrihydrite, an iron oxide containing water. This discovery transforms our understanding of why Mars is red and suggests that the planet rusted earlier than previously thought.
Scientists successfully identified fossil filaments of sulfur-oxidizing bacteria in gypsum samples from Algeria, providing a methodological framework for detecting biosignatures in Martian sulfate minerals. This technology could be integrated into future Mars rovers or landers.
A new international study suggests that the water-rich iron mineral ferrihydrite may be responsible for Mars' iconic red color. The findings point to a potentially habitable past for Mars, with evidence of liquid water on the planet's surface billions of years ago.
The Zhurong rover discovered hidden layers of rock under the Martian surface indicating an ancient northern ocean. This finding offers clear evidence that Mars once had a significant body of water and a more habitable environment for life.
A Chinese rover has detected underground beach deposits on Mars, indicating the presence of an ancient sea that covered a significant portion of the planet. The deposits, which date back 4 billion years, were formed through wave action and sediment distribution, suggesting a long-lived body of water.
A Chinese rover has discovered underground beach deposits in an area thought to have once been the site of an ancient sea on Mars. The deposits, which are similar to those found on Earth, suggest that Mars had a long-lived body of water with wave action to distribute sediments along a sloping shoreline.
Scientists have retrieved handpicked samples from Mars, including rock cores and fragmented rocks, for the first time in history. The samples will help learn more about Mars' past life, climate, and geology, as well as provide insights into Earth's surface.
Lauren Berger, a Texas A&M University doctoral student, has been awarded a prestigious FINESST grant from NASA to study Martian dunes. She aims to analyze the shapes and patterns of compound dunes on Mars using high-resolution images, comparing them to similar dunes on Earth.
Researchers at Harvard University used photochemical modeling to simulate how ancient Mars' climate was affected by atmospheric chemistry and crustal hydration. They found that episodic warm spells were driven by crustal hydration, leading to the buildup of hydrogen in the atmosphere.
Researchers have created the first-ever meridional profile of Mars' radiant energy budget, showing a polar energy surplus and a tropical energy deficit. This discovery provides critical insights into Martian weather patterns and climate evolution.
A new study reveals that Mars' southern highlands formed granitic magmas and sustained vast underground aquifers billions of years ago, potentially creating habitable conditions for life. The research used advanced thermal modeling to simulate the thermal state of Mars' crust during its ancient history.
Researchers Vincent Chevrier and Rachel Slank investigate the existence of liquid brines on Mars, concluding that current evidence is insufficient. They suggest that while brines are promising for finding life on Mars, they remain highly un-habitable by terrestrial standards.
Researchers at the University of Colorado Boulder have discovered that relatively warm and sunny days may help to trigger major dust storms on Mars. The team found that roughly two-thirds of these storms are preceded by a sharp rise in surface temperatures, which can lead to explosive weather patterns.
Researchers reconstructed the energy spectrum of a significant SEP event on February 15, 2022, for Mars using data from multiple detectors and models. This breakthrough enhances understanding of the Martian radiation environment, crucial for future mission safety.
Researchers constructed the first complete proton energy spectrum observed during a solar event in Martian space, providing critical data for radiation protection in future Mars missions. The study successfully calculated the radiation dose caused by the event and validated the accuracy of the Tianwen-1 MEPA data.
A Curtin University-led study has found geochemical 'fingerprints' of water-rich fluids in a 4.45 billion-year-old zircon grain from the Martian meteorite NWA7034. This discovery opens up new avenues for understanding ancient Martian hydrothermal systems and the planet's past habitability.
A team of scientists has determined that a meteorite from Mars, the Lafayette Meteorite, was exposed to liquid water 742 million years ago. The minerals in the meteorite formed when there was liquid water present on the Martian surface, providing insight into the planet's past.
A proof-of-concept study has demonstrated that off-the-shelf thermoelectric generators can convert CO2 into useful fuels and chemicals. The temperature differences encountered in various environments, from geothermal installations to the Martian surface, could power this conversion.
A USTC team proposes a new type of battery using Martian atmospheric components, achieving higher energy density and longer stable cycling than previous designs. The battery has been validated in actual Martian conditions, paving the way for future space missions.
A modelling study suggests that Martian ice deposits in mid-latitudes could provide conditions necessary for photosynthetic life. The study found that ice containing dust content levels between 0.01-0.1% could have a habitable region at depths of 5-38 cm, with cleaner ice allowing for deeper zones.
Researchers have discovered 48 lichen species at two Mars analog sites in North America and Canada. The study provides valuable information about the diversity of life on Earth as an analogue for understanding potential life on Mars.
Researchers used instruments on board Curiosity to measure the isotopic composition of carbon-rich minerals and discovered extreme evaporation, suggesting a climate that could only support transient liquid water. This finding rules out life on Mars' surface but leaves open the possibility of an underground biosphere.
Researchers develop Mars battery utilizing Martian atmosphere as fuel, reducing weight for space missions. The battery can be recharged using solar energy, enabling continuous operation.
Researchers propose that Mars' early thick atmosphere could have been locked up in the planet's clay surface due to slow chain reactions between rocks and gases. The clay is estimated to hold up to 80% of the initial, early atmosphere, potentially recovered and converted into propellant for future missions.
Researchers at Tohoku University created a detailed model of organic matter production in ancient Martian atmosphere, suggesting that formaldehyde contributed to formation of organic matter. The study found that the depletion of 13C in organic matter on Mars was due to photodissociation of CO2 by solar ultraviolet radiation.
This study reveals how Mars' induced magnetosphere responds to solar wind conditions, including IMF strength, dynamic pressure, and EUV flux. The research finds significant positive correlations between magnetic field residuals and IMF intensity and solar wind dynamic pressure.
Researchers have discovered dense, large-scale structures beneath a lost ocean on Mars, using gravity data from multiple missions. The findings suggest active processes in the martian mantle may be boosting the largest volcano, Olympus Mons.
A team of Würzburg researchers is using a swarm of autonomous robots to explore the Martian canyon system, Valles Marineris. The robots will collect data on the canyon's geology and search for signs of liquid water and potentially life, shedding light on the planet's habitability.
The Cloud Atlas database showcases an array of atmospheric phenomena on Mars, including cloud formations, dust storms, and gravity waves. Scientists can study these events to better understand the Martian atmosphere's physical nature and appearance, as well as its climate cycles.
By combining data from Hubble and MAVEN, scientists measured the number and current escape rate of hydrogen atoms escaping into space, allowing them to extrapolate the history of water on Mars. The study found that atmospheric conditions change rapidly, with rapid releases of atoms at high altitudes.
Researchers have identified specific materials that can effectively block harmful space radiation on Mars, including plastics, rubber, and synthetic fibers. The findings provide crucial insights for designing protective habitats and spacesuits, paving the way for safer long-duration Mars missions.
Scientists have developed a high-resolution global color-image map of Mars with spatial resolutions between 57 and 197 m, covering the entire Martian surface. The new data has significantly improved the color authenticity and positioning accuracy of commonly used global Mars images.
The samples, obtained from river deposits in a dried-up lake on Mars, are crucial for understanding the Red Planet's water history. The fine-grained sediments in the rocks are believed to retain signs of past biological activity, including organic molecules, making them significant for searching for life on Mars.
Researchers infer that Mars' crust has stores of liquid water, essential for a habitable planet. The study suggests that liquid water in the mid-crust is the most plausible explanation for the data collected by the InSight lander.
A team of scientists has found evidence for a large underground reservoir of liquid water on Mars, which could be a promising place to look for life on the planet. The reservoir is estimated to cover most of the Martian surface and is located in tiny cracks and pores in rock beneath the surface.
Researchers from University of Chicago and Northwestern University suggest new approach to terraforming Mars using engineered dust particles. The proposed method is over 5,000 times more efficient than previous schemes, using resources readily available on Mars, making it a significant leap forward in modifying the Martian environment.
A new study finds similarities between Martian soils and those of Canada's Newfoundland, suggesting Mars may have had a frigid climate. The discovery provides clues about the planet's environmental history, particularly during its relatively abundant water period.
A new study published in Nature Geoscience presents evidence for the origin of Mars' organic material, revealing that it was formed through atmospheric photochemical reactions without life. The discovery confirms a decade-old theory and provides crucial insights into the formation of life's building blocks.
Researchers estimate that between 280 to 360 meteorites strike Mars each year, forming impact craters greater than 8 meters across. The study uses seismic data from the NASA InSight Mission to make this estimate, which is five times higher than previously thought.
Researchers at Imperial College London have discovered that Mars experiences around 280-360 meteorite impacts per year, exceeding previous estimates. This new tool, known as a 'cosmic clock,' can help scientists date planetary surfaces across the Solar System more accurately.
A new study using NASA's InSight Lander data reveals that Mars may be getting bombarded by space rocks more frequently than previously estimated. The research team detected eight new impact craters from meteoroids not seen before, including two of the largest impacts ever recorded on the Red Planet.
A team of Penn State scientists suggest that analyzing marsquakes may help identify water miles under the Martian surface. The researchers developed a model to simulate how the seismoelectric method would perform and found it could successfully analyze aquifer properties, including thickness and salinity.
A team of planetary scientists has detected patches of water frost on Mars' Tharsis volcanoes, which are the tallest in the solar system. The frost forms for only a few hours after sunrise and is incredibly thin, but constitutes a significant amount of water that swaps between the surface and atmosphere each day during the cold seasons.
Researchers at Cornell University found that small variations in layers of water ice can cause constructive interference between radar waves, producing bright reflections. This explanation accounts for the observed signals without requiring liquid water, casting doubt on potential microbial life on Mars.