Top news for December 21, 2008

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The James Webb Space Telescope has arrived at its final destination

How Powerful Was The Tonga Explosion?

Science Made Simple: What Is Exascale Computing?

NASA's Artemis 1 lunar mission finishes countdown test

Powerful, nearby black holes could help to explain universe's origins

Hospitalization for COVID-19 linked to greater risk of later readmission or death

On this day in space! Oct. 14, 1947: Chuck Yeager smashes the sound barrier.

13 Face Masks Your Kids May Actually Wear

How São Paulo Became ‘The World’s Vaccine Capital’

A Shrinking Band of Southern Nurses, Neck-Deep in Another Covid Wave