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Aerospace
The AI energy debate focuses on supply — but smarter planning could deliver more computing from the same megawatts.
Cadence
As SpaceX slashes launch costs, governments are gaining new capabilities, while potentially outsourcing their sovereignty to Musk's private empire.
Even though no human has stepped foot on the Moon's surface in 50 years, the evidence of our presence there remains unambiguous.
Andy Weir’s novel blends humor, scientific rigor, and human ingenuity to make science fiction feel believable and thrilling.
Government-spec’d glory projects produce tech demos. Enduring progress demands a better way forward.
With the right material at the right temperature and a magnetic track, physics really does allow perpetual motion without energy loss.
"You’ll be able to fly twice as fast as a Boeing or Airbus, and it’ll be like the cost of flying business today."
Experts answer 10 big questions about the nightmare scenario that could send us back to the pre-Space Age.
Astro Mechanica’s “turboelectric” jet engines offer a way to transform both commercial flights and space launches.
The Parker Solar Probe is about to undergo its seventh encounter with Venus on its journey toward the Sun. Here's how fast it'll go.
Hypersonic aircraft can fly at least five times the speed of sound. They would make for terrifying weapons.
Forensics has reached the final frontier, and could be used to solve future space accidents—or crimes.
On the morning of April 20, 1961, all conditions were "go" for an attempt at free flight. A man was on standby with a fire extinguisher. Just in case.
Freethink's weekly countdown of the biggest space news, featuring a stranded space factory, Jeff Bezos' new moon lander, and more.
A woman’s name would undermine the credibility of the mission. Names of former Nazis, however, were no problem.
Only nine weeks later, the Wright Brothers achieved manned flight. The pathologically cynical always will find a reason to complain.