Take a look back at our web chat for facts, photos and your questions answered by experts.
Your help is needed to explore Mars like never before with Dr Chris Lintott's latest Zooniverse project. Become a citizen scientist and do real science online.
The Big Bang - how do we know?Most scientists accept that the Big Bang happened, but what's the evidence?
Read the full article on BBC Science
Universe through time posterExplore billions of years in the life of the Universe from the Big Bang to the distant future (PDF 0.8MB, Adobe Reader required).
Get the poster
Follow @BBCStargazingNews, event details and behind-the-scene photos from the Stargazing LIVE production team.
Follow @BBCStargazing on Twitter
Astronomy through social media
Web producer Simon Mackie writes about life on location for the Stargazing web team, and how they use Twitter, Flickr, live web chats and citizen science to engage with the audience at home.
- Brian Cox
- Dara O Briain
- Liz Bonnin
- Series Producer
- Alan Holland
- Executive Producer
- Helen Thomas