Top news for December 21, 2008

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Sigma 70-200mm f/2.8 DG OS HSM lens review

NASA and UAE Mars Missions Agree to Share Science Data

James Webb telescope's MIRI instrument goes super-cold

Social connections influence brain structure of rhesus macaques

On This Day In Space: May 25, 2008: NASA's Phoenix spacecraft lands on Mars

Best binoculars 2022: Top picks for stargazing, wildlife watching and more

Pink Moon 2022: April's full moon joins a line of planets

NASA's James Webb Space Telescope mission — Live updates

A Wooden Knife Sharper Than Steel? Scientists Say So.

Climate Change Made Hurricanes More Intense During Record-Breaking 2020 Season, Study Says