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.
The private space firm has successfully launched a Falcon 9 rocket from NASA's Kennedy Space Center.
The private space firm has resumed operations following the explosion of one of its rockets last year.
The private space firm is planning to begin launching satellites again following last year's explosion.
The private space firm has finally figured out what caused its rocket to explode back in September.
Experts have warned that SpaceX's plan to fuel rockets while astronauts are on board could prove fatal.
The privately-funded space firm founded by Amazon's Jeff Bezos has revealed two huge new rockets.
An unmanned SpaceX rocket at Cape Canaveral has been destroyed in an explosion prior to launch.
The private space firm has again demonstrated the viability of reusable rockets for routine missions.
US and Australian military scientists are working together on an ambitious high-speed aircraft concept.
The private space firm has finally succeeded in landing its Falcon 9 rocket on a barge out at sea.
After a smooth launch, ESA's ExoMars probe was almost blown to pieces in a rocket stage explosion.
Russia is working on a new propulsion system that has the potential to revolutionize space travel.
Scientists have finally discovered the spot where Apollo 16's S-IVB rocket stage impacted on the moon.
Elon Musk's private space firm has managed to pull off a vertical rocket landing for the first time.
Blue Origin has beaten SpaceX in the race to build a rocket that can launch and then return to the Earth.
The UK's Bloodhound SSC rocket car will be attempting to break the world land speed record in style.