Top news for December 21, 2008

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Mysterious dunes on Jupiter's volcanic moon Io may be formed by lava

Rocket Lab catches dummy booster with a helicopter in dramatic new video

One in five reptile species is at risk of extinction

Supernova reveals secrets to astronomers

NASA’s Mars Helicopter Spots Gear That Helped Perseverance Rover Land

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On This Day In Space: Nov. 18, 2013: NASA launches MAVEN orbiter to Mars

WHO: Mysterious Hepatitis Outbreak Has Led To One Child Dying, 17 Needing Liver Transplants

NASA And Argonne Lab Tackle Hypersonics With Supercomputing A.I. Software

Where To See The New SpaceX ‘Freedom’ Spacecraft Finally Blast-Off This Week With Four Astronauts Bound For The Space Station