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.

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 ...
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3I/ATLAS interstellar comet or alien spacecraft? See it yourself today as it makes closest approach to planet

3I/ATLAS interstellar comet or alien spacecraft? This question gained attention after NASA released new images of comet 3I/ATLAS on 18 December. The images were captured by the Europa Clipper ...
AOL

New images of 'alien spaceship' comet 3I/ATLAS expelling gas and dust

Scientists have released a new image of the space rock traveling through our solar system (Image: Scientists have released a new image of the space rock traveling through our solar system) Space ...
Popular Science

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

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 ...