Elon Musk and NASA’s Chief Are Dreaming of Antimatter Propulsion

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...
The Hour

Could aliens ever visit Earth? An aerospace scientist unpacks the challenges of interstellar spaceflight

(THE CONVERSATION) On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the ...

Could aliens visit Earth? Scientist breaks down how interstellar travel works

To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...
SpaceNews

York Space acquires satellite propulsion manufacturer Orbion Space

Electric thruster developed by Orbion Space. WASHINGTON — York Space Systems said it has acquired Orbion Space Technology, bringing a key satellite propulsion technology inside the company as it ...
Hosted on MSN

Thruster breakthrough? New 2-in-1 propulsion system is about to get an in-space test

It's hard to fit everything on a small satellite, especially the fuel, but a new propulsion system could make it easier. Instead of having separate fuel for chemical thrusters and electrical thrusters ...