For years, the NASA Curiosity Rover has been quietly sniffing the atmosphere in Gale Crater with its SAM instrument. Today, scientists are finally getting a handle on that vast dataset, and they’re turning up some…

We’re coming up on the fourth anniversary of the first ever WeMartians episode. Since then, we’ve interviewed astronauts, watched spacecraft leave Earth, and met the NASA Administrator. We’ve built studios together and partnered with my…