Anemia could make space travel to Mars a challenge, study finds
'As long as you are in space, you are destroying more blood cells than you are making.'
space travel
The FAA will give Bezos and Branson its last astronaut wings
You know what, keep 'em.
Lettuce grown on the ISS is as nutritious as Earth harvests, scientists find
In the future, astronauts can grow lettuce for deep space trips.
HBO’s ‘Avenue 5’ asks what happens if tech bros conquer space
Blue-sky thinking and a reality distortion field can't beat astrophysics.
‘Kerbal Space Program’ gets an interstellar flight sequel
The popular build-your-own-spaceship game arrives in 2020.
ICYMI: The DroneGun aims to patrol the skies
There's a kinder, gentler new anti-UAV sheriff in town.
