USGS Hawaiian Volcano Observatory scientists use tiny features within crystals in erupted lava to answer big questions about the underlying plumbing system at Kilauea. Volcanic gases can give us ...
Everyone switched off their headlamps and there we stood together in total darkness, inside the San Gabriel Mountains. Yes, inside. I had joined a local caving group in an attempt to understand more ...
Scientists still have many questions about the earliest years of our planet. Earth formed about 4.55 billion years ago, but almost no rocks from that time have survived. Without those ancient rocks, ...
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