NASA is hosting a news teleconference to announce black hole observations from its newest X-ray telescope, the Nuclear Spectroscopic Telescope Array (NuSTAR), and the European Space Agency's XMM-Newton X-ray telescope.

This is obviously big news and has been hinted at for a while. Check it out.

The briefing participants are:

-- Fiona Harrison, NuSTAR principal investigator, California Institute of Technology, Pasadena, Calif.

-- Guido Risaliti, astronomer, Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass., and the Italian National Institute for Astrophysics

-- Arvind Parmar, head of Astrophysics and Fundamental Physics Missions Division, European Space Agency

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