Top news for December 21, 2008

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NASA's Artemis 2 mission to the moon puts Crew-12 SpaceX launch in delicate dance

NASA faces a crucial choice on a Mars spacecraft—and it must decide soon | “We think that’s a really important mission, and something that we can do.”

Transforming ammonia for food security and economic growth - EurekAlert!

Novel radiation therapy QA method: Monte Carlo simulation meets deep learning for fast, accurate epid transmission dose generation - EurekAlert!

A Predictor of a Good Social Life? Your Parents.

What actually happens to a spacecraft during its fiery last moments? Here's why ESA wants to find out

This Week in Science: Meat-Eater Longevity, Space Viruses, And More!

Carbon Dioxide 'Pulses' Clear Toxins From Parkinson's Brains in Recent Study

From 'Asteroids' to 'Star Citizen': A brief history of space dogfighting games

New satellite view of Tibet’s tectonic clash