Welcome to Iceland: one of Earth’s most extreme landscapes and a natural training ground for future space exploration. Think: icy volcanoes, steaming vents, sprawling lava fields… places like this are the closest you can get to another world without leaving the planet. NASA teams head here to rehearse for future explorers heading to the Moon, Mars, and the search for life beyond Earth. And good news… the field team featured in this video are back and ready to answer your questions about their jo