Neil deGrasse Tyson and comic co-host Chuck Nice answer fan-submitted Cosmic Queries on a variety of topics including life on Mars, the expansion of the universe, building wormholes, and more to mark hitting one million subscribers on YouTube.

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Thanks to our Patrons Chris Goshorn, Russell Konicki, Pat Simmons, Trinity Goodwill, Chris Davis, Mike Jordan, Michelle Danic, and Sylvia Mangold for supporting us this week.

Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI) and the Westerlund 2 Science Team.