All systems are go for landing on Mars on Nov. 26, NASA personnel affiliated with the InSight mission confirmed during a pair of news conferences held today (Nov. 21). As of that news conference, the spacecraft had traveled about 295 million miles (475 million kilometers) of the 301 million miles (484 million km) that will make up its total journey. But one of the most serious hurdles remains, the entry, descent and landing process, which will begin at about 3 p.m. EST (2000 GMT) on Monday (Nov. 26). "My heart is beating inside of my chest like a drum," NASA...