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Read article: The trials of Galileo Stars and solar physics Opinion and reviews The trials of Galileo Owen Gingerich recounts Galileo's famous court hearings of 1632
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Read article: Carbon swaddles baby neutron star Telescopes and space missions Research update Carbon swaddles baby neutron star Nascent surface too hot for hydrogen
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Read article: Chemical signature could help locate Earth-like planets Telescopes and space missions Research update Chemical signature could help locate Earth-like planets Planet formation could have affected Sun's composition
Read article: IBEX spies a ribbon at the edge of the solar system Telescopes and space missions Research update IBEX spies a ribbon at the edge of the solar system First all-sky maps confound astrophysicists
Read article: The Sun could be heading into period of extended calm Stars and solar physics Research update The Sun could be heading into period of extended calm Weakness in the Sun's magnetic field allows more particles to escape