How shifting tectonic plates drove Earth's climate swings

Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...

A new study of lunar rocks suggests Earth's water might not have come from meteorites

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...
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Missing voting machine documents raise concern about Pa. county’s testing processes

Northampton County voters go to the polls in Nov. 2023 at the Forks Township Community Center. This article is made possible through Spotlight PA’s collaboration with Votebeat, a nonpartisan news ...