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Rotations of the Hoyle State in Carbon-12

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Hans O. U. Fynbo and Martin Freer, Physics 4, 94 (2011) – Published November 14, 2011
New scattering experiments provide evidence for the long-suspected existence of an excited rotational state in carbon-12, related to a state that’s crucial in stellar fusion reactions.
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Putting rare isotopes on the scale

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Jens Dilling and Chris Ruiz, Physics 4, 24 (2011) – Published March 21, 2011
New mass measurements of proton-rich nuclei will allow scientists to more accurately simulate the nucleosynthesis that occurs on the surface of neutron stars.
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A stellar superfluid

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Nicolas Chamel, Physics 4, 14 (2011) – Published February 22, 2011
The rapid cooling of a neutron star signals a superfluid at its core.
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Cool quarks

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Mark Alford, Physics 3, 44 (2010) – Published May 24, 2010
New calculation of quark matter properties tells us what an exotic quark-neutron star might look like.
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Getting a better handle on nuclear matter at low density

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Lee G. Sobotka, Physics 3, 42 (2010) – Published May 17, 2010
New calculations of the effects of asymmetry in numbers of neutrons and protons in nuclei agree well with experiment and provide vital information in understanding nuclear matter at low density.