March is Women's History Month, and to celebrate, we're giving you a look at some of the world's most impressive female astronauts. | National Geographic TV

Celebrating Vera Rubin, the astronomer whose work on dark matter changed our understanding of the universe and opened the door to women in astronomy. Though she was denied a Nobel, her legacy lives on in the Vera Rubin Observatory and the generations of researchers she inspired. #WomensHistoryMonth Carnegie Institution for Science 🎥 Watch the short documentary now. | Scientific American