Alien civilisation may be able to use airplane radar signals to spy on us, a new study has shown. Radar systems at large airports, such as London Heathrow or New York JFK, could be strong enough to be ...

We may already be broadcasting signals to the universe and alien life that inadvertently scream "we're here, come find us!" — and any potential intelligent life in the universe could be sending the ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...