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

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

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 ...

'Extraterrestrial arms race underway': Russia and China scramble to reverse-engineer crashed alien spaceships

Claims of an 'arms race' involving Russia and China, reverse-engineering, and crashed alien spacecraft re-emerged this month ...
Science Daily

MIT’s new spacecraft engine could send tiny satellites to Mars

MIT researchers have shown that one fuel can power both chemical and electric spacecraft thrusters, potentially transforming what small satellites can do. The approach combines quick bursts of speed ...
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 ...
The Telegraph

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

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Kai James, Georgia Institute of Technology (THE CONVERSATION) On May 22, 2026, the ...