Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...
The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...
The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...
A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, but from dust already sitting on the Moon. The idea is outlined in a ...