Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.
New evidence has emerged that sheds light on the possible first people to populate the Americas. Dating of stone and ivory ...
The Environmental Protection Agency (EPA) cracked down on lead-based products—including lead paint and leaded gasoline—in the 1970s because of its toxic effects on human health. Scientists at the ...
Earth is covered with technofossils, or man-made materials, that will last for centuries and maybe even longer.
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