ScienceDaily
Scientists discover hidden water beneath Mars that could have supported life
Ancient sand dunes in Mars's Gale Crater show evidence of subsurface water billions of years ago, suggesting the planet stayed habitable far longer than previously believed. The water-soaked sediments left behind minerals capable of preserving biosignatures, pointing to protected underground environments where microbial life could have survived even after surface water vanished. These findings reshape the search for past life on Mars, making subsurface sites a priority for future exploration.
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Scientists discover ALS protein that links DNA repair to cancer and dementia
A protein long associated with ALS and dementia has been found to control a critical DNA repair mechanism, expanding its suspected role in human disease. When TDP-43 levels become dysregulated, the repair process breaks down, damaging neurons and destabilizing the genome. The finding connects TDP-43 to both neurodegeneration and elevated mutation rates in cancer, positioning it as a central target for research across multiple disease fronts.
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NASA launches twin spacecraft to solve the mystery of Mars’ lost atmosphere
Mars was once a warmer, wetter world—but relentless solar wind gradually stripped away its atmosphere, leaving the frozen desert we observe today. NASA's ESCAPADE mission deploys twin spacecraft to observe this stripping process in real time, mapping how solar wind interacts with Mars' weak magnetic field. The data could finally explain how Mars lost its habitability and inform the safety planning for future crewed missions.
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