Cosmic Rays are making it difficult for us to travel the stars. From Season 10 Episode 2. Catch full episodes of your favourite Discovery Channel shows on discovery+: https://bit.ly/3SY44jB Subscribe to Discovery UK for more great clips: ...

In this week's Questions and Answers show, I explain why James Web still can't see the Big Bang, if black holes can "unblack hole" later in life and what is the cutest nebula in the Universe? 00:00 Start 03:17 Can Webb see back to the Big Bang? 08:20 Could antimatter destroy a black hole? ...