Mars
26 reportsThe main lines of inquiry around Mars include surface mission constraints, Martian geology, and atmospheric measurements. The account starts with multiwavelength observations when examining surface mission constraints, then compares that reading with distance or orbit estimates; interpretation remains cautious because limited viewing geometry and indirect measurements can leave competing explanations.
Ancient Martian Meteorite Teghaza 001 Sheds Light on Mars' Early Crust
Laboratory analysis of the Teghaza 001 meteorite, recovered in Mali, reveals evidence of ancient Martian crust formation and early atmospheric loss, offering new constraints on Mars' geological evolution
Ancient Mars Meteorite Reveals Unexplored Era in Red Planet's History
A 1.27-billion-year-old Martian meteorite found in Algeria is providing rare insight into a previously undocumented period of Mars' geological evolution, according to new laboratory analysis
Crescent Moon and Mars Align Over Taurus Before Dawn on August 9
Observers in the Northern Hemisphere will see the crescent Moon pass close to Mars in the constellation Taurus before sunrise on August 9, offering a preview of the winter starscape and a rare opportunity for binocular viewing.
NASA's SkyFall Mars Helicopters to Map Subsurface Ice with Flexible Radar
NASA's upcoming SkyFall mission will deploy three mini helicopters to Mars, each equipped with lightweight, flexible radar antennas designed to detect shallow subsurface ice deposits inaccessible to orbiting spacecraft
Perseverance Rover Captures Earth Passing Behind Mars' Moon Phobos
NASA's Perseverance rover has recorded a rare occultation event, imaging Earth as it briefly disappeared behind Mars' innermost moon Phobos using its Mastcam-Z camera system
NASA Faces Challenge of Toxic Dust for Future Mars Astronauts
NASA's Martian Dust Limit Working Group has reviewed the health risks posed by Mars dust, which contains carcinogenic silica and heavy metals, and is developing exposure standards and mitigation strategies for future crewed missions
Curiosity Rover Detects Extensive Polygon Patterns in Martian Valley
NASA's Curiosity rover has imaged a vast field of honeycomb-like polygonal fractures in Mars' Valle Grande, raising new questions about the planet's surface processes and past water activity
Spirit Rover Data Reveals Widespread Ancient Water Activity on Mars
A new analysis of NASA's Spirit rover data has identified crystalline hematite and altered magnetite in Martian soil, supporting the view that liquid water once shaped large regions of Mars
NASA Tests Fire-Resistant Webbing for Moon and Mars Missions
NASA testing found that a natural gold-colored Kevlar(R) and PBI webbing met flammability criteria in a high-oxygen environment, though complete softgoods assemblies still require configuration and wear testing
Mercury and Jupiter Meet as Venus Rules August Skies
Venus reaches its widest evening separation from the Sun on Aug. 15, while Mercury and Jupiter pass within 0.6 degrees before dawn in a difficult but rewarding conjunction
Playmobil's Space Sets Span Star Trek, Mars and ESA Missions
From a meter-long USS Enterprise to ESA-inspired lunar rovers and compact Mars vehicles, these 13 Playmobil sets turn space exploration into hands-on play across a wide range of ages and budgets
July's Buck Moon Aligns with Venus, Saturn, Mars, and Mercury
The full Buck Moon rises on July 29, accompanied by a rare alignment of Venus, Saturn, Mars, and Mercury. Observers can witness this planetary parade with the naked eye or optical instruments as twilight fades
Viking 1's First Mars Surface Image Revisited on 50th Anniversary
NASA has released the original images captured by Viking 1 after its 1976 Mars landing, offering a detailed look at the Red Planet's surface and the mission's scientific legacy
NASA's ESCAPADE Spacecraft Captures Earth and Moon in Dual Light
NASA's ESCAPADE mission has imaged Earth and the Moon in both visible and thermal infrared light, providing a rare calibration opportunity for its cameras as the spacecraft prepares for its journey to Mars
MAVEN Data Reveals Earth-Like Aurora Mechanism on Mars
NASA's MAVEN orbiter has provided evidence that localized auroras on Mars are powered by a process similar to Earth's Dungey cycle, offering new insight into Martian atmospheric loss and magnetic field interactions
NASA's Psyche Spacecraft Uses Mars Flyby to Refine Asteroid Trajectory
NASA's Psyche probe has completed a close flyby of Mars, capturing a time-lapse sequence and using the planet's gravity to adjust its course toward the metal-rich asteroid Psyche, its target for arrival in 2029
Exoplanets Smaller Than Mars May Lose Atmospheres Too Quickly for Life
A new planetary modeling study suggests rocky exoplanets must be at least 80% the width of Earth to retain atmospheres for billions of years, narrowing the search for potentially habitable worlds around sun-like stars
Possible Ancient Impact Crater Identified in Northern Quebec
A large circular structure in Quebec's Côte-Nord region, first noticed on Google Maps, may be a 390-million-year-old impact crater. Fieldwork and rock analysis are underway to confirm its extraterrestrial origin
NASA Eyes Mars Skies 50 Years After Viking 1's Landmark Landing
NASA's Viking 1 lander touched down on Mars in 1976, launching a new era of planetary exploration. Now, five decades later, the agency is preparing to extend its reach above the Martian surface with aerial missions.
Viking 1's First Mars Surface Image Changed Planetary Exploration
NASA's Viking 1 lander transmitted the first direct image from the Martian surface in July 1976, revealing the planet's rocky terrain and marking a milestone in robotic planetary science
How NASA Langley Engineered the First Mars Landings
Fifty years after Viking 1 and 2 touched down on Mars, the engineering and mission design led by NASA's Langley Research Center remain central to how planetary landings are planned and executed across the solar system
Curiosity Rover Reveals Ancient Sandstorm Evidence on Mars
NASA's Curiosity rover has imaged Martian rocks shaped by a powerful ancient sandstorm, offering new insight into the Red Planet's dynamic past and the processes that once shaped its surface
Viking 1's Mars Life Experiments: What the Evidence Still Can't Prove
Fifty years after NASA's Viking 1 lander touched down on Mars, scientists remain divided over whether its life-detection experiments found evidence of Martian biology or were confounded by non-biological chemistry and instrument limitations
AI Struggles With Unknowns in Search for Extraterrestrial Life
A Michigan State University study using digital life simulations reveals that artificial intelligence can misclassify unfamiliar molecular patterns as signs of life, raising concerns for future missions seeking biosignatures beyond Earth
Perseverance Rover Images Ancient Martian Bedrock at Jezero Crater Rim
NASA's Perseverance rover has captured a detailed view of the Jezero Crater rim on Mars, revealing a thick sequence of ancient rocks. The Mastcam-Z instrument recorded the scene, offering new evidence about the planet's impact history and surface evolution
Curiosity Rover Images Unusual Honeycomb Patterns on Martian Surface
NASA's Curiosity rover has captured detailed images of a honeycomb-like texture on Mars, revealing polygonal surface patterns and scattered dark rocks. Scientists are investigating the origin of these features using in situ rover observations and orbital data