Earth Day 2025 officially lights up the calendar on Tuesday, April 22, 2025, but NYC celebrates all month long, from last weekend's EarthFest at AMNH through Car-Free Earth Day the last weekend of the ...
The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered. When ...
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...
A rocky outcrop in a remote corner of northern Quebec appears serene in its eerie isolation on the eastern shore of Canada’s Hudson Bay. But over the past two decades, this exposed remnant of ancient ...
Rocks in Australia preserve evidence that plates in Earth’s crust were moving 3.5 billion years ago, a finding that pushes back the beginnings of plate tectonics by hundreds of millions of years.
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