NASA's next Mars rover, expected to launch to the Red Planet in July, is officially named Perseverance.
The big picture: Once on Mars, the mission is designed to search out possible signs of past life on the planet and cache samples for a future mission to return back to Earth one day.
As part of our What Matters 2020 series on the critical trends that will outlive this moment, Axios co-founders Jim VandeHei and Mike Allen discuss climate change and the need for global cooperation on the issue.
Intense thunderstorms across Tennessee early Tuesday morning spawned tornadoes, including one that struck downtown Nashville. The tornadoes destroyed at least 140 buildings and killed at least 25 people in the state, Tennessee Gov. Bill Lee (R) said.
What we know: Schools, courts and transit lines in Nashville were closed Tuesday, and more than a dozen polling stations were damaged before Super Tuesday voting began in the state.
