Mars and Earth as Twins
Astronomers armed with optical telescopes fell in love with Mars during the very earliest years of the age of telescopes. Mars was bright, changed colors, and had intriguing, contrasting brighter and darker regions. Furthermore, because Mars is closer to Earth than all other planets except Venus, it could appear quite...
Insights on InSight
On Monday, Nov. 26, after a six-month cruise, NASA’s InSight Lander will touch down on Mars. Insight is the first Mars mission designed to study the deep interior of Mars. It will measure the flow of heat from the inside of Mars, listen for Marsquakes, and track the rate at...