From stellar engines to Dyson bubbles, alien megastructures could hold themselves together under the right conditions

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

Flight engineers give NASA's Dragonfly lift

In sending a car-sized rotorcraft to explore Saturn's moon Titan, NASA's Dragonfly mission will undertake an unprecedented ...

The roaring revival of the V8 engine

Car companies signaled they were discontinuing V8 engines a few years ago. Now, they're making a big U-turn — and Detroit is ...
中国日报网

China completes testing of heavy, reusable liquid rocket engine

BEIJING -- China has successfully completed the full-engine testing of a 140-tonne liquid oxygen-methane engine that will power the country's reusable carrier rockets, the engine's maker said on ...
Auto Express

New Audi Concept C review: a true EV successor to the TT and R8

But now everything is about to change, according to Audi’s new CEO, Gernot Döllner. He is playing the role of a decisive ...
The Economist

The big ambitions of China’s private space industry

AROUND A DECADE ago Xi Jinping said he dreamed of making China a “space power”. Since then, the country has put a rover on Mars and built one of the two operational space stations orbiting Earth. Now ...
Wall Street Journal

L3Harris to Sell Rocket-Engine Business to Buyout Firm

The deal includes Aerojet Rocketdyne RL-10 rocket engines. (Craig Bailey/Florida Today/USA Today Network/Reuters) Defense contractor L3Harris Technologies struck a deal to sell a controlling interest ...
WAFF

‘Explosion’ noises heard in Huntsville area are rocket engine hotfire tests, officials say

HUNTSVILLE, Ala. (WAFF) - Several viewers reported hearing what sounded like explosions across the Huntsville area Monday evening Officials with Redstone Arsenal say the loud noises were caused by ...
Orlando Sentinel

Rocketdyne name to be revived after Melbourne’s L3Harris unloads part of rocket engine business

Melbourne-based L3Harris acquired the vast rocket engine company Aerojet Rocketdyne in 2023, but on Monday announced it was selling a controlling interest in the majority of those operations to ...
Popular Mechanics

Scientists Designed a Warp Drive That Theoretically Works With Real Physics

The first warp drive design from the early 90s required massive amounts of negative energy, but three decades of honing the math later, scientists have lowered that threshold considerably. Now, a new ...
Interesting Engineering

SpaceX veteran Tom Mueller on propulsion, reuse, and in-space mobility

Tom Mueller is one of the key engineers behind the modern era of commercial spaceflight. In 2002, hot on the heels of selling his stake in PayPal for $1.5 billion, Elon Musk founded SpaceX with the ...
Reuters

Reusable rockets: who has achieved what so far?

BEIJING, Dec 3 (Reuters) - China's Zhuque-3 reusable rocket, developed by private firm LandSpace, failed to make a successful landing on Wednesday, but its debut launch has thrust the global race for ...