Author Connie Miao

At the beginning of time, the universe exploded into existence in an event known as the Big Bang. Fast forward to the present day, when the universe has been expanding for approximately 13.8 billion years. But...

  On July 20, 1969, the first humans set foot on the moon. Nearly half a century later, humanity is finally ready to take on Mars. As in the 1960s, NASA remains one of the major organizations...