Videographic on the InSight mission. InSight’s primary goal is to study how the solar system’s rocky planets, including Earth, formed and evolved. The robot is now expected to arrive on Mars on November 26. NASA images
Videographic locating a huge meteorite crater discovered in Greenland. The crater is the first of its kind ever found there — or under any of the Earth’s ice sheets — and is among the 25 largest known on Earth. NASA images