Science News

NASA’s 2 stuck astronauts take their first spacewalk together

CAPE CANAVERAL, Fla. (AP) — NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni Williams and Butch Wilmore removed a broken antenna and wiped the station’s exterior for evidence of any microbes that might still be alive after launching from Earth

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Science News

The oldest evidence for lead pollution comes from ancient Greece

WASHINGTON (AP) — Ancient Greece produced the earliest records of democracy, western philosophy — and, it turns out, lead pollution. Researchers studying sediment cores recovered from mainland Greece and the Aegean Sea have found the oldest known evidence of lead pollution in the environment dating to around 5,200 years ago. That’s 1,200 years older than

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