Trace

Scientists Can Now Trace Earth’s History in Individual Grains of Sand

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Grains of sand on a beach can tell us more than you might think about the history of the planet, new research reveals – something to think about the next time you’re heading to the coast for a swim or splash around.   Scientists have developed a new metric to determine what they call the … Read more

Latest Study Finds No Trace of Aliens in 4-Billion-Year-Old Martian Meteorite

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To date, we’ve found over a hundred precious Mars rocks that have travelled from the red planet and landed on Earth at some point. Among those, specimen ALH84001 might well be one of the most enigmatic.   This meteorite fragment was picked up during a snowmobile ride in the ice field of Alan Hills in Antarctica … Read more