Stratolaunch completes the first flight of the world's largest airplane
The aircraft is designed to carry rockets into orbit.
SpaceX will assist NASA's first-ever mission to redirect an asteroid
Lift off is set for 2021.
NASA compared twin astronauts to see if space ages the human body
Astronaut Scott Kelly spent nearly a year at the International Space Station.
Falcon Heavy successfully completes triple-booster landing
SpaceX launched its rocket after a delay due to inclement weather.
Privately-owned Moon lander crashes in historic attempt
Israel's dreams of a lunar landing will have to wait a little longer.
Three teams will compete for millions in DARPA's rocket launch challenge
One mystery competitor wishes to remain anonymous.
Virgin Orbit will launch satellites from Guam
The island's close proximity to the equator makes it an ideal launch site.
The Morning After: We saw a black hole
And an almost-perfect camera.
Self-healing space suits among 18 ideas to receive NASA funding
Other concepts include spider-inspired microprobes and shields that take us closer to the Sun.