Alien civilizations will never visit Earth, physicist says

4 articles · Updated · The Brighter Side of News · Apr 26

The report identifies five barriers: vast interstellar distances, light-speed limits, rocket fuel demands, human biological fragility in space, and civilisations existing at different times.
It argues even the nearest star, Proxima Centauri, would take about 6,600 years to reach with current technology, while warp drives, wormholes and antimatter remain theoretical or impractical.
The piece says silence in the sky may reflect physics rather than solitude, and dismisses blurry UFO footage as insufficient evidence of extraterrestrial visitors.

Are we too focused on travel when aliens might use communication methods we can't yet detect?

Is shielding from interstellar particles the true, unsolvable barrier to fast space travel?

Can biotechnology ever truly overcome the lethal biological limits of deep space voyages?

Is the 'Great Silence' a sign of physical impossibility or a deliberate choice by aliens?

Could alien technology be so advanced that our physical laws are simply irrelevant to them?

What does cosmic isolation mean for humanity's future if we are truly trapped by physics?