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

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.
Space.com on MSN

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

A new propulsion system feeds the same "monopropellant" fuel into electrical and chemical thrusters, potentially saving on ...
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 ...
The Debrief

MIT Engineers Testing Exotic ‘Electrospray’ Propulsion for Faster, More Maneuverable Spacecraft

MIT engineers are testing "electrospray" propulsion thrusters that could make satellites and small spacecraft more powerful ...
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NASA issues final verdict on 3I/ATLAS comet following alien spaceship theories — what is the truth?

For those peering nervously at the night sky, fearing that our newest celestial visitor might be the vanguard of an extraterrestrial fleet, the scientific community has a message: you can officially ...