New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.

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The number of insect species is mind-boggling — and they are a critical part of the environment. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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Potentially the largest known source of niobium discovered in central Australia formed 830 million years ago, and we can thank the breakup of the ancient supercontinent Rodinia. When you purchase ...