Top news for December 21, 2008

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Former NASA Astronauts to Receive Congressional Space Medal of Honor

Study Finds That Exercise Curbs Insulin Production

Satellite Constellations Are an Existential Threat for Astronomy

Polar Vortex Drives a Cold Snap in Asia

‘Green Comet’ Begins Closest Approach To Earth As A ‘Snow Moon’ Shines Near Mars: The Night Sky This Week

This Robot Electric Cargo Plane Could Be The Start Of A Wave That Transforms Shipping

2 Things Cincinnati Bengal Joseph Ossai And Meteorologists Have In Common

Rep. Katie Porter Says ‘Two Manufacturers Control 97%’ Of Covid-19 Vaccine Market

How Zoos Benefit Society And The Animals They Protect

Why These Jaw-Dropping Jupiter Photos From NASA’s Juno Could Be Its Finale