To put it mildly, this is one gem of a gem. Scientists using two different age-determining techniques have shown that a tiny zircon crystal found on a sheep ranch in western Australia dates back to ...
Are we alone in the Universe? Billions of dollars are being spent trying to answer that simple question. The implications of finding evidence for life beyond Earth are staggering. The “before and ...
To put it mildly, this is one gem of a gem. Scientists using two different age-determining techniques have shown that a tiny zircon crystal found on a sheep ranch in western Australia is the oldest ...
There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...
Analysis of recently discovered zircon crystals reveals a sharp change in Earth’s geochemistry around 3.8 billion years ago. Researchers studying the ancient crystals say the likely explanation is the ...
Zircon is the "time-lords" of the earth. They are indestructible and take up radioactive materials, so they're used to track events in deep time that would otherwise be lost to us. The Earth is really ...
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