At http://phys.org/print382011175.html … a paper in May's issue of Nature concerns the discovery of intense winds found in the near neighbourhood of a black hole. It is capable of expelling material from the gravitational field around the black hole we are told, and seems to follow on from an outburst event after a long period of quiescence – 25 years. During the outburst brightness increased one million times and it temporarily became the brightest x-ray source in the sky.
At http://phys.org/print382636434.html … a miniature x-ray solar spectrometer was deployed from the International Space Station on May 16th and it will operate for 12 months and shine a light, it is hoped, on x-ray activity on the Sun. It is hoped it will accumulate data in order to better understand solar flares and other processes in the atmosphere of the Sun.
At http://phys.org/print382603850.html … the Kepler satellite was designed to search for earth sized planets around stars by monitoring light fluctuations. It has retrieved data from one star group that differs from the normal – irregular and extreme episodes of fluctuation that rule out planetary transits.