13.7 billion years ago, our universe started with a colossal explosion called the big bang. That powerful blast created all the matter in the universe and laid the groundwork for every explosion since.
Lynn Rothschild takes us on a field trip to the Oakland Zoo to discuss the diversity of life on...
Joseph Giaime discusses how LIGO (Laser Interferometer Gravitational Wave Observatory) works.
© 2018 NGC Europe Limited, All Rights Reserved