Black hole blows huge gas bubble
A star-sized black hole is observed blowing a vast bubble of hot gas 1,000 light-years across.
Black Eyed Peas set downloads record
Black Eyed Peas single I Gotta Feeling is the first music single downloaded more than a million times.
Black hole 'hurled out of galaxy'
A supermassive black hole may have been observed in the process of being hurled from its parent galaxy at high speed.
Richard Black on what's happening to our shared environment