Results 61 to 70 of about 36,668 (189)

Review for the Design and Experimental Study of a Coaxial Twin-rotor Mars Unmanned Aerial Vehicle

open access: yesSpace: Science & Technology
The thin atmosphere of Mars presents a necessary yet challenging flight environment for low-altitude flying vehicles or unmanned aerial vehicles. As a key technology, Martian unmanned aerial vehicles hold marked value and importance for scientific ...
Zhifang Ke   +10 more
doaj   +1 more source

Impact Crater Hydrothermal Systems Support Rapid Microbial Enrichment and Diverse Metabolic Potential

open access: yesGeobiology, Volume 24, Issue 6, November/December 2026.
ABSTRACT Impact crater hydrothermal systems, formed after asteroid and comet impacts, have been proposed as promising habitats for life on early Earth and as key targets in the search for life on planetary bodies such as Mars, since they provide liquid water and active geochemical turnover.
Sabrina M. C. Hardy   +8 more
wiley   +1 more source

Unusual Enhancement in He(23S) Airglow Brightness Associated With Interplanetary Magnetic Field Northward Turnings During the 2025 New Year's Day Storm

open access: yesGeophysical Research Letters, Volume 53, Issue 19, 16 October 2026.
Abstract The upper thermosphere is important in the context of space weather, but continuous monitoring of the thermosphere at high latitudes remains limited despite its strong variations associated with geomagnetic activity. Orthohelium, He(23S), is found from the upper thermosphere to lower exosphere, and is a promising tracer of atmospheric dynamics.
Takanori Nishiyama   +6 more
wiley   +1 more source

An astrobiological study of high latitude martian analogue environments [PDF]

open access: yes, 2010
The search for life on Mars is in part reliant on the understanding of Martian environments, both past and present, in terms of what life may inhabit these environments, how this life may be preserved in the rock record, and how this rock record may be ...
Cousins, C.R.
core  

Terrestrial analogs and thermal models for Martian flood lavas [PDF]

open access: yes, 2000
The recent flood lavas on Mars appear to have a characteristic “platy-ridged” surface morphology different from that inferred for most terrestrial continental flood basalt flows.
McEwen, A. S.   +5 more
core   +1 more source

Semantic Segmentation of Martian Landforms with Sparse Scribble Annotations Using a Pseudo-Labeling Strategy [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Deep learning-based semantic segmentation techniques play a crucial role in the rapid mapping of Martian landforms. However, creating an annotated dataset for Martian landforms is a labor-intensive and time-consuming process.
P. Ye   +12 more
doaj   +1 more source

Protein‐Independent Liquid–Liquid Phase Separation of Adenosine Triphosphate Under Crowded Conditions

open access: yesChemistry – A European Journal, Volume 32, Issue 38, 13 October 2026.
ATP itself is able to undergo liquid–liquid phase separation in the presence of the macromolecular crowding agent PEG and physiological ATP concentrations are sufficient for phase separation in the presence of mM Mg2+ and crowders, mimicking intracellular conditions.
Robert Dec   +2 more
wiley   +1 more source

Rootless cones on Mars indicating the presence of shallow equatorial ground ice in recent times [PDF]

open access: yes, 2001
High resolution Mars Orbiter Camera (MOC) images have revealed the existence of clusters of small cones in the Cerberus plains, Marte Valles, and Amazonis Planitia, Mars.
McEwen, A. S.   +3 more
core   +1 more source

Reviewing Martian Atmospheric Noble Gas Measurements: From Martian Meteorites to Mars Missions

open access: yesGeosciences, 2020
Martian meteorites are the only samples from Mars available for extensive studies in laboratories on Earth. Among the various unresolved science questions, the question of the Martian atmospheric composition, distribution, and evolution over geological ...
Thomas Smith   +3 more
doaj   +1 more source

Smart Flexible Tactile Sensors: Recent Progress in Device Designs, Intelligent Algorithms, and Multidisciplinary Applications

open access: yesAdvanced Intelligent Discovery, Volume 2, Issue 5, October 2026.
Flexible tactile sensors have considerable potential for broad application in healthcare monitoring, human–machine interfaces, and bioinspired robotics. This review explores recent progress in device design, performance optimization, and intelligent applications. It highlights how AI algorithms enhance environmental adaptability and perception accuracy
Siyuan Wang   +3 more
wiley   +1 more source

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