The voice of a black hole is a deep, deep bass, 57 octaves below middle C and far beyond the hearing range of humans. The Chandra X-ray Observatory has picked up sound waves for the first time from a ...

The instrument plays only one note: B-flat. For reasons that are still unclear, this note is special and seems to crop up again and again in the oddest places. Here's a sampling of other places the "B ...

In B Flat is a music project developed by Darren Solomon, whose other projectScience for Girls I reviewed a few months ago for GeekDadreaders. Darren has called his new venture In B Flat 2.0 and it is ...

In the dark heart of the Perseus galaxy cluster, 300 million light-years from Earth, a supermassive black hole has been singing the same note for 2.5 billion years. Its tone registers 57 octaves below ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...