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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 ...
MIT researchers have shown that one fuel can power both chemical and electric spacecraft thrusters, potentially transforming ...
To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.
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 ...
Alien civilisations may have just been given a 400,000-fold boost in their chances of finding humans, according to a new study of where Earth sends its strongest deep-space radio signals. The analysis ...
The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth. By Kai James / The Conversation Published May 27, 2026 8:00 AM EDT This article was ...
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