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EarthSolar wind pushes atmospheric breathing
New analyses of satellite data show that cycles of expansion and contraction are tied to changes in the solar wind.
By Sid Perkins -
Health & MedicineDual therapy best for nasty prostate cancer
Dual therapy that adds radiation to medication for aggressive prostate cancer yields better survival and fewer signs of relapse than drugs alone, a large Scandinavian clinical trial finds.
By Nathan Seppa -
SpaceDark energy constantly with us
New X-ray and visible-light observations of the growth of galaxy groups and clusters are offering confirming evidence for the existence of dark energy and suggest that it may resemble the cosmological constant.