Saturday Citations: The volcanoes of Mars; Starship launched; 'Try our new menu item,' say Australian researchers

You never can tell when planetary scientists are going to discover a new giant volcano on Mars, but when it happens, I step out to the porch and raise my Lunar and Planetary Society Core-Mantle Boundary Rift Discovery flag so all the neighbors will know, and this week, that flag was flapping in the breeze.