Top news for December 21, 2008

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How many steps a day do you really need to take?

Deepening stirling engine analysis: optimized model offers more accurate performance predictions

Lunar Regolith is a Surprisingly Good Resource for Supporting a Lunar Station

How Star Clusters Age: The Pleiades, the Hyades, and the Orion Nebula Cluster

What if a trip to space changed your eyesight forever?

Seeing the Exact Moment When New Planets Started Forming

Cold Weather Alloy Opens New Possibilities for Space Technology

Scientists are Planning for Life After Finding Aliens

How To Detect Magnetic Fields Around Exoplanets

Are the JWST's Little Red Dots Actually Supermassive Black Hole Seeds?