[Space Bites+] Early Signs of Dark Matter Detection // Search for Exomoons // No Liquid Water for Mars

Has dark matter been found? A galaxy made of the first stars, China’s reusable rocket reaches orbit but doesn’t stick the landing, a possible explanation for the matter/antimatter asymmetry, and in Q&A+, Gaia helps pin down a supernova that hit the Earth 10 million years ago. Watch the video here (with no ads) or on YouTube: https://youtu.be/8jlLE-TzOp4