The dispute over Earth’s age reaches deeper than one scientific number. At its center is a much bigger argument about ...
Scientists did not arrive at Earth’s age from one clue. Several very different measurements keep pointing toward the same ...
A remote outcrop in Canada harbors rocks that are at least 4.16 billion years old, researchers report June 26 in Science. If true, these rocks would be the oldest known on Earth and the first to date ...
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