Avi Loeb has emphasised the need for humans to embark on interstellar expeditions, as we face a race against the clock to set up another base somewhere should there be a pandemic ...

Interstellar object 3I/ATLAS can help humans with interstellar travel. Harvard scientist Avi Loeb has suggested that if we intercept the alien "mothership", then we can gain access to valuable data ...

Add Yahoo as a preferred source to see more of our stories on Google. Five physical barriers may prevent civilizations from ever meeting, from light speed limits to cosmic timing gaps. (CREDIT: ...

Over the horizon, long term planning is not the strong suit of great apes like us. Homo sapiens are highly socialized animals prone to cooperate when necessary. But we are just as prone to strike up ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That observation, attributed to American physicist Richard Feynman, captures a tension many people feel when ...

"There is a silence in the night sky that has bothered me for as long as I can remember." Richard Feynman's reflection lingers because it feels personal. The stars look crowded. Common sense whispers ...