Dark matter and the expanding universe

Insight

China is not the only country that has tried to unlock the mysteries of dark matter.

Europe, for example is in the midst of developing a tool that could give us a better idea of its past, present and future.

CCTV America’s John Zarrella reports.


Leroy Chiao on mysterious dark matter

CCTV America’s Mike Walter interviewed Leroy Chiao. He’s a former astronaut with NASA.