Jeffrey Gleason describes how to increase the space propulsion beaming range of an ion beam from 0.1 AU to 1000 AU by pinching the ion beam. He also describes getting 50 kilowatts per square meter of ...
Aerojet Rocketdyne, a GenCorp (GY) company, announced today that the hydrazine propulsion system that it originally built in collaboration with Jet Propulsion Laboratory (JPL) in the 1970s has entered ...
Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for interstellar propulsion. Reading time 3 minutes A team of researchers at ...
Regrettably, to avoid a crazy generational space ship problems, interstellar travel will have to be able to generate a few percent the speed of light thrust. I am presuming that very extensive ...
Astronomy on MSN
Could aliens ever visit Earth?
On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...
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 ...
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