The US space agency’s New Horizon’s spacecraft will soon make the most distant flyby of a cosmic object ever, zipping by an object called Ultima Thule — a billion miles (1.6 billion kilometers) beyond Pluto, on January 1 NASA Images
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
SpaceX chief Elon Musk unveiled on Tuesday ambitious plans to establish a Mars colony by sending 100 humans at a time on massive spacecraft, possibly costing as low as $100,000 per person. A brief history of Mars exploration in videographics.