Mars isn’t the neatly layered world we once imagined — its mantle is filled with ancient, jagged fragments left over from colossal impacts billions of years ago. Seismic data from NASA’s InSight mission revealed that these buried shards, some up to 4 km wide, are still preserved beneath the planet’s stagnant crust, acting as a geological time capsule.
source https://www.sciencedaily.com/releases/2025/08/250830001148.htm
Superheated sediments in a submarine pressure cooker—an unexpected source
of deep-sea hydrogen
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The mid-ocean ridge runs through the oceans like a suture. Where Earth's
plates move apart, new oceanic crust is continuously formed. This is often
accompa...
6 hours ago
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