A first-of-its-kind mission is set to blast off from Florida in late August, embarking four private citizens on a journey that aims to make history on several fonts, including spacewalking outside a ...

A SpaceX rocket will launch four people into space on the private Polaris Dawn mission this week and if you want to watch the liftoff live, you'll need to know when and where to watch. And in this ...

Jared Isaacman may no longer have a shot at leading NASA, but that doesn't mean the billionaire and private astronaut is done ...

NASA's Dawn mission has been orbiting Ceres since March and will continue studying the dwarf planet through June 2016. Just this week, the spacecraft reached an orbiting altitude of 240 miles from ...

NASA's Dawn spacecraft reached orbit around Vesta in July 2011, and spent over a year collecting data on the asteroid's composition, geology, craters, and countless other features before departing ...