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Science has found its first candidate for a dark-matter detector. It’s a really old rock
Scientists in Virginia are looking for mysterious dark matter - and have turned to really old rocks. The substance, which makes up more than 80 percent of all matter in the universe, shapes and ...
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Ancient rocks hold proof of Earth's magnetic field. Here's why that's puzzling
A 3.7-billion-year-old record of our planet's ancient magnetism has been unearthed, providing evidence that Earth's magnetic field already existed very early in history. This discovery, however ...
2.75 Billion-Year-Old Rocks Rewrite the Story of Earth’s Early Life
A study of ancient stromatolites reveals that ammonium reservoirs in early Earth's oceans, likely influenced by volcanic ...