He had planned to launch his homemade, steam-powered rocket 5,000 feet into the air.
Two short-range ballistic missiles were launched on Wednesday in North Korea's second such test in less than a week.
A senior 2020 Trump campaign adviser used a 2015 video reportedly showing a Ukrainian rocket launch alongside a description of this weekend's deadly Gaza rockets.
"Whatever the payload, whatever the orbit, getting your satellite into space will soon be as easy as booking an airline flight," said Stratolaunch Chief Executive Officer Jean Floyd.
Moscow is studying the remains of Tomahawk rockets to exploit their weaknesses.
China also has its sights set on asteroids, Mars and the Jupiter system.
Astronauts on the International Space Station do not even have sinks because of the way water behaves in microgravity.
On Sunday, the reusable rocket took off from the company's West Texas launch site and reached an altitude of 347,485 feet.
Stronger gravity requires stronger—and pricier—rockets to overcome.
SpaceX is launching a Falcon 9 rocket that will carry tons of scientific supplies to the International Space Station aboard a Dragon spacecraft.
The daredevil is already planning his next launch—and a run for governor.
The launch created an extremely rare, perfectly circular shock wave.
Russia's so-called Satan missile has been shrouded in propaganda and secrecy, but Putin made it the centerpiece of his last state address.
The flight has been codenamed "It's Business Time," thanks to social media.
The rocket will launch as early as 5:02 p.m. Eastern time.
The anti-missile system is part of the capital's Cold War-era line of defense, which has 68 nuclear tipped rockets ready to blast incoming strikes from the sky.
The Kremlin is hoping the next generation of "Elon Musks" will be full of Russians, as he ranks highly in the minds of the youth.
The internet's favorite flat-Earther is having trouble getting his rocket up—again.
Rocket Lab's Still Testing rocket successfully reached orbit and deployed Earth-tracking satellites.
Keep your eyes on the road.
The rocket was initially supposed to launch back in 2013, but it looks like SpaceX is finally approaching a launch date in early 2018.
All but one of Russia's previous radar stations are based in the country's west, near Europe.