DisaggregationSome U.S. military strategists think the country’s reliance on geosynchronous satellites for communications and missile warning make it vulnerable to a devastating attack in space. Read it
by Tom Risen
Fly when it’s safe
The Trump administration seems to support spaceflight, but it would be a mistake to rush a crew aboard these untried NASA vehicles.
by Tom Jones
Artificial gravity’s attraction
Spaceflight experts are concerned that exercise won’t be enough to counteract the effects of years in microgravity during missions to the moon and Mars.
by Adam Hadhazy
In the age of drones, stealth and automation, members of Congress and military experts debate whether to keep flying the
A-10. Read it
by Joe Stumpe
We mistakenly published an early draft of the article “Green propellant” in the March issue and consequently the article contained several errors. The corrected article can be found online. Read it