The U.S. just launched a new mission to Mars. As in JUST launched. It successfully took off shortly after 7 am (EDT) on Saturday, May 5th from Vandenberg Air Force Base, California!
It’s a lander (not a rover) called Insight. And is expected to land on Mars on November, 26, 2018 Earth calendar.
BONUS: This is the first interplanetary launch from the West coast of North America.