SpaceRip A 26,000 light year zoom takes us into the heart of the Milky Way galaxy. The speeds and orbits of stars were used to calculate the mass of the central object, a black hole of 4 million solar masses. From ESO.
Cable Highlights The MHP panel talks about the issues facing our water infrastructure, from water pollution to water droughts and shortages.
Cable Highlights Alex Witt talks to NBC News Olympic Security Analyst Andrew Weiss about the current state of affairs at the Sochi Olympics and Russia.