A Mars meteorite records ancient water, but its exact home is still unknown
Teghaza 001 preserves evidence of alteration about 4.1 billion years ago. Dating its grains does not locate its source crater or detect life.
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Perseverance finds the Mars dust that keeps clinging to spacesuit materials
Years of observations reveal persistent fine particles on calibration samples. The findings inform contamination control, not a measured astronaut exposure limit.
NASA’s simulated Mars crew is about to finish 378 days of ordinary life under unusual constraints
The October 31 exit ends a long test of isolation, workload and communications. An Earth-based analogue answers selected questions, not every Mars problem.
Curiosity’s Nazca target asks whether a crystal’s shape outlived its chemistry
Newly published drilling preparations combine close-up 3D imaging with deeper laser measurements. The textures are geological clues, not evidence of life.
Odyssey reaches 25 years at Mars, with a second job behind the rover pictures
NASA’s veteran orbiter built a thermal record of Mars and helps surface missions send their discoveries home. Longevity has become part of the infrastructure.
A year inside NASA’s simulated Mars habitat tests the wait for an answer
CHAPEA’s second crew is nearing the end of a 378-day mission in Houston. Communication delays turn ordinary maintenance and medical questions into autonomy research.
Perseverance’s driving record is also a story about knowing when to stop
NASA’s new engineering account connects a 45.22-kilometre milestone with science stops, autonomous navigation and a reused helicopter processor.
A thinner rotor profile could give future Mars helicopters more room to fly
Wind-tunnel tests and simulations favor a Mars-specific airfoil. The long-range figures describe future designs, not a flight already achieved.
Mars’s long morning cloud is testing a familiar assumption about ice
An October study reproduces the Arsia Mons cloud by allowing ice to form without dust nuclei. The images and the model provide different kinds of evidence.