The spacecraft blasted off from Vandenberg Air Force Base in California aboard an Atlas V rocket earlier today.
The Transiting Exoplanet Survey Satellite (TESS) is due to lift off aboard a Falcon 9 rocket on Monday.
Virgin Galactic's new spaceplane blasted through the sky on Thursday after firing its rocket engine for the first time.
The self-taught rocket scientist launched himself high in to the air over the Mojave Desert on Saturday.
New footage has been released showing the Space Launch System engine reaching 113 percent thrust level.
The world's most powerful rocket has successfully blasted off in to the heavens on its first test flight.
The first test launch of Elon Musk's next generation rocket is set to take place in just over a week.
Code-named Zuma, the secretive satellite was launched in to orbit aboard a Falcon 9 rocket on Sunday night.
The SpaceX CEO has posted up images of his Tesla Roadster mounted inside the rocket's nose cone.
SpaceX has unveiled images of the 'world's most powerful rocket' ahead of its maiden voyage next month.
Private space firm Blue Origin has completed a successful test launch of its rocket and crew capsule.
Boeing CEO Dennis Muilenburg has stated that the first human on Mars will have got there on a Boeing rocket.
The maiden voyage of the SpaceX Falcon Heavy rocket will carry Musk's own Tesla Roadster in to space.
Self-taught rocket scientist 'Mad' Mike Hughes is hoping to reach 1,800ft in his own steam-powered rocket.
Elon Musk is hoping to land the first astronauts on the surface of Mars within as little as seven years.
SpaceX is preparing to launch its powerful new Falcon Heavy rocket for the first time in November.
The double launch showcased the private space firm's ability to scale up and manage multiple launches.
The US space agency has decided against placing astronauts aboard its new rocket on its first launch.
When complete, the gargantuan new rocket will be capable of carrying a crew of astronauts to Mars.
The space firm achieved a major milestone last night by relaunching a previously used rocket booster.