Researchers found that water ice exists in variable depths and is patchy across the Martian surface. The discovery was made using data from NASA's THEMIS camera on the Mars Odyssey orbiter, which showed that areas with rocky surfaces have deeper ice deposits, while dusty areas allow ice to survive closer to the surface.
Researchers completed laying a 52 km cable for the Monterey Accelerated Research System (MARS) observatory, providing power and data connectivity to deep-sea instruments. The MARS system will enable continuous monitoring of ocean conditions, allowing scientists to track changes over time.
Researchers at Northern Arizona University have identified possible caverns on Mars that could provide a habitat for future explorers and potentially preserve evidence of past or present microbial life. The team used techniques developed for cave detection on Earth to analyze images from the Mars Odyssey mission.
The MARSIS radar has mapped the South Polar region of Mars, revealing a giant dome-shaped area composed mainly of ice. The radar signals have also identified depressions with variable distribution and depth of ice deposits at high latitudes.
The Mars Express radar instrument has mapped the thickness of dusty ice deposits at Mars' south pole, estimating a liquid layer about 11 meters deep. The findings suggest that polar layered deposits contain most of the known water on modern Mars.
Expert suggests searching for past life on Mars by exploring old rocks and sediments, using instruments to analyze biosignatures and organic materials. Robotic drilling technology currently limits to a few yards depth, making exopaleontology the best approach.
New images from NASA's Mars Reconnaissance Orbiter show linear fractures and 'halos' of light-toned bedrock, suggesting past fluid flow through underlying bedrock. The findings provide a promising site to search for evidence of habitable niches in the Martian past.
Current drills may find essential signs of life on Mars but can't reach the living cells that could survive in ice at Elysium or recent craters due to radiation levels, scientists say. The team found that drilling depth required for finding living cells is much deeper than current probes can reach.
Researchers have found evidence of ancient impact basins and topographic depressions in the Martian lowlands using MARSIS instrument, confirming the subsurface's complexity. The discovery sheds light on the geologic evolution of Mars, revealing a dichotomy between the northern and southern hemispheres.
A Queen's University researcher has discovered a mineral that could explain the mountainous landscape of Mars, suggesting the planet was likely wetter in the past. The study reveals layering in rocks indicative of sediment manipulated by water, which would require significant water on the planet at some point.
Mars Express's OMEGA instrument reveals a thick slab of dry ice in the cryptic region, but dust contamination is caused by geysers triggered by sunlight heating the soil beneath. The geysers create spots and fans, which suggest a process that could significantly contribute to the dust contamination observed.
The HiRISE camera took a remarkable picture showing the entire 800-meter Victoria crater and the rover down to its tracks and shadows. The images reveal a distinctive scalloped shape to the crater's rim, layered sedimentary rocks, and sand dunes on the floor.
Scientists are researching ways to reduce radiation-induced brain damage for Mars missions, which could lead to new treatments for conditions like Alzheimer's disease. The research project is part of a $14-million study funded by NASA to determine the human brain's maximum safe cosmic radiation dose.
University of Houston and Lunar Planetary Institute researchers use data mining and machine learning to analyze Martian surface patterns. They develop new computational tools to characterize large portions of the Martian landscape, aiding understanding of past water activity on Mars.
Scientists discover that desert varnish on rocks in arid environments can bind organic compounds and DNA, making it a potential indicator of life on Mars. The research suggests that Martian desert varnish could contain ancient microbial signatures or chemical signs of past life.
The UK is investing in the ExoMars mission to explore the Martian surface and search for signs of past and present life. The mission will also study the planet's geochemistry, water distribution, and geophysics, aiming to identify potential hazards for future human missions.
Research papers in Geophysical Research Letters highlight climate change impacts on Mars, with data from orbiting spacecraft and rovers revealing a hemispheric dichotomy. In the Arctic, sea ice reduction is linked to inflows from the Pacific Ocean, while the Indian Ocean experiences decadal variability in its circulation. Scientists st...
Researchers suggest that finding organic nitrogen on Mars would be a strong indication of past biological activity. The presence of nitrogen in the Martian atmosphere is unlikely due to the planet's lack of biological activity, making it an important target for search missions.
A comprehensive mineral history of Mars reveals that conditions became increasingly dry and acidic around 3.5 billion years ago, making it an unlikely place for life to thrive. The study identifies clay-rich rocks and soil as potential targets for future lander missions.
Researchers find patterns of cracks and thin fins on Mars resembling those formed by damp sand in New Mexico. The discoveries suggest the presence of water on Mars beyond polar ice caps.
A Mars meteorite containing tiny burrows has been discovered, sparking interest in the search for life beyond Earth. The discovery, published in Astrobiology journal, suggests that Martian rock formations may be similar to those created by bacteria on Earth.
Scientists have found that macromolecular carbon in Martian meteorites is always associated with magnetite, a mineral catalyst for its formation. This association raises hopes that the meteorite's carbon complexes could be evidence of non-biological synthesis of organic molecules on Mars.
Robert Downs is almost halfway to creating a library of spectral fingerprints for all the Earth's minerals, with over 1,500 cataloged so far. The associate professor of geosciences is collaborating with colleagues to develop a pocket-sized Raman spectrometer for use on Mars and handheld instruments for identifying gemstones on Earth.
The Mars Express and NASA's Mars Reconnaissance Orbiter missions are providing valuable insights into Mars' upper interior. The combination of radars on the two missions will directly map the structure of the upper portions of the interior, revealing information about water, ice caps, and crust deformation.
Researchers at Boston University found that X-ray bursts from the Sun cause dramatic alterations to Mars' ionosphere, as detected by NASA's MGS spacecraft. The team used measurements on Earth to confirm the findings and gain a better understanding of the phenomenon.
Researchers found that tropical glaciers on Mars were formed from snow brought from the polar regions, similar to Earth's mountainous regions. This discovery sheds light on past climate changes on Mars and potential pockets of ice scattered across the planet.
Research on Martian aurorae reveals localized ultraviolet emissions near magnetic field lines. Air pollution reduction could exacerbate global warming due to increased solar radiation scattering. A new study detects potential oilfield brine leaks in Nueces Bay, Texas, using sediment resistivity and radium isotope analysis.
Researchers suggest that Martian features can be explained by meteorite strikes rather than evaporated lakes. Base surges from massive explosions caused by meteorite impacts result in simple and consistent explanations for rock formations and sediment layers found at the Opportunity site.
A new U. of Colorado study challenges previous findings on Mars' Meridiani Planum region, suggesting it was more geologically similar to volcanic regions in North America or Europe. The research proposes that the region's chemical composition was created by sulfur-bearing steam vapors moving up through volcanic ash deposits.
Researchers found ancient microbes in ice cores from Greenland, which could be a preview of what's discovered under Mars' surface. The discovery suggests that methane-generating Archaea might exist on Mars, and state-of-the-art instruments could detect them around meteor craters.
Researchers discovered hundreds of auroras on Mars over six years, linked to strong magnetic field patches in the crust. These events produce ultraviolet light and are not as colorful as Earth's auroras.
NASA's Spirit and Opportunity rovers are uncovering evidence of wet, possibly habitable conditions on Mars in areas they're exploring. They've found variations of bedrock, including platform-like structures, that suggest a hot, violent past with volcanic explosions and impacts.
Data from Mars Express confirms the presence of hydrated minerals, implying long-term liquid water on Mars during the Noachian era. Phyllosilicates and sulphates were detected in various regions, suggesting two distinct climatic episodes: a moist environment for phyllosilicates and an acid environment for sulphates.
The MARSIS radar has provided direct information about Mars' deep subsurface, revealing buried impact craters and hints of underground water-ice. The radar's measurements have changed our perception of the Red Planet, adding a new dimension to its knowledge.
MARSIS reveals a 'lumpy' ionosphere on Mars with unexpected bumps related to strong magnetic fields, providing insights into the planet's subsurface. The discovery sheds light on what happened to water that likely carved deep canyons on Mars.
Researchers have detected methane-producing bacteria in arid desert soils, which is a promising sign for future life detection missions to Mars. The study suggests that methane could be used as a biological signature for certain living organisms.
New research reveals that Mars' mid-latitude glaciers are similar to those on Earth, with features such as lineated valley fill and debris arcs. The findings suggest that Mars is experiencing ongoing climate shifts, allowing ice to leave the poles and accumulate at lower latitudes.
A new concept, funded by NASA's NIAC, proposes using guided balloons to study the Martian surface in unprecedented detail. These balloons can be steered towards specific targets and drop small science packages, allowing for faster exploration of the planet.
CRISM will map areas on the Martian surface down to house-sized scales, detecting minerals in reflected sunlight. The instrument will identify sites most likely to have contained water, making them potential landing sites for future missions.
A recent study highlights the dangers of Solar Proton Events (SPEs) and Coronal Mass Ejections (CMEs) on a manned Mars mission. The researcher recommends improving space weather monitoring and developing lightweight mechanisms to detect dangerous space weather, as well as creating more robust models for propagation over larger distances.
A new study by Arizona State University reveals Mars' surface minerals using THEMIS and TES data, yielding surprising results in localized areas. The findings show that Mars has evolved and continues to evolve beneath its surface, similar to Earth, with diverse igneous mineral types rivaling those found on our planet.
Scientists at the University of California, Berkeley, have successfully tested their life detection instrument, the Mars Organic Analyzer (MOA), which can detect amino acids and homochirality on Mars. The instrument passed key tests in Chile's Atacama Desert, paving the way for its inclusion on the European Space Agency's ExoMars mission.
A new study by Dartmouth researchers suggests that methane on Mars can be produced from non-living sources, including the mineral olivine. The findings provide a plausible explanation for a warmer and wetter early Mars, with abundant liquid water present on the surface.
NASA's Mars Exploration Rovers Opportunity and Spirit have been studying geology on opposite sides of Mars for over a year. The rovers have found extensive layered bedrock, including rocks containing the mineral Ilmenite, which suggests a shared origin and diversity in volcanic rocks in the Gusev region.
Scientists from Oregon State University have discovered new theories about Mars' climate and polar regions, shedding light on the mystery of the planet's icecaps. The study reveals that the southern pole's permanent icecap is comprised primarily of carbon dioxide ice, which could indicate global climate change.
Scientists at PNNL develop MicroCATS, a system to produce propellant from Martian resources, regenerating breathable air and enabling life support. The goal is to advance microtechnology principles for larger-scale Mars missions by 2030.
Researchers have discovered five giant impact basins on Mars that lie along a great circle, indicating that asteroids collided with the planet's equator. The finds suggest that running water likely existed in the region before surface water diminished, which is crucial for future manned missions to Mars.
Researchers reassess Martian landslides using recent images and propose alternative gravity-driven explanation. Ocean color tracking reveals 50-year dataset for phytoplankton abundance estimation. Aerosol concentrations in China's atmosphere reduce daily surface solar radiation since 1961, according to Geophysical Research Letters papers.
The European Space Agency recommends a mission that combines key technologies from BeagleNet, ExoMars and NASA to search for life on Mars. The rover will include instruments to study seismic phenomena and a drill capable of penetrating the surface.
Recent Martian glaciers and volcanoes suggest ice-rich movement and climate change, with evidence of a major eruption over 350,000 years ago. This new research challenges the traditional view of Mars' geological history and provides fresh insights into the planet's dynamic evolution.
A frozen sea was discovered near the Martian equator using 3D images from the Mars Express probe, revealing a vast area of ice that may have been home to primitive life. The find is significant as it suggests that liquid water on Mars existed for thousands of millions of years, providing a possible habitat for life.
Researchers found diverse surface materials, including hydrated minerals, which suggest water was common on Mars. The study suggests areas like Syrtis Major, Valles Marineris, and Terra Meridiani are strong candidates for future Mars missions.
Researchers suggest harnessing atmospheric interactions similar to Earth's surface temperature warming trends to create a biologically hospitable environment on Mars. Introducing man-made greenhouse gases, such as fluorine-based compounds, could melt carbon dioxide and ice on the planet, potentially reviving dormant life.
The Mars rover mission has discovered evidence of prolonged presence of salty, acidic water on Mars' surface, making it a potential habitable place. The findings suggest that conditions were suitable for life to exist in the past.
Deep-fried Mars bars are widely sold in Scottish fish and chip shops, with 15 shops reporting health concerns. The Mediterranean diet appears to be influencing local food trends, with deep-fried pizza also gaining popularity.
The discovery of salty, acidic water on Mars' surface suggests the planet was once capable of cradling life. Robotic explorers like Opportunity and Spirit found evidence of shallow groundwater and wet-and-dry cycles.
Indiana University geologists David Bish and Juergen Schieber will join NASA's Mars Science Laboratory, a rover mission set to launch in 2009. The rover will explore a local region as a potential habitat for past or present life, shedding light on the Martian surface's composition.
Scientists have found evidence of sulfates, cross-bedding, and blueberry mineral deposits that indicate liquid water was present on Mars. The discovery suggests the possibility of life existing on Mars in some form.
A new method enables engineers to design more efficient heating, cooling, and other systems for spacecraft in space, on the moon, and Mars. The system uses a two-phase fluid behavior that can transfer heat effectively, making it compact and lightweight.
The Mars rover Opportunity has found evidence that liquid water once flowed through the region of Meridiani Planum, a vast plain on Mars. This discovery suggests that conditions in this area may have been habitable for life at some point in Martian history.