Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

If the Sun were very different, we wouldn’t be here. A shorter-lived star wouldn't provide the opportunity for humanity to ...

6 billion years old and home to more than 100 billion stars. This reality suggests there is likely a mind-boggling number of potentially habitable planets. According to NASA's latest estimates, ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

Now, there may be an answer, according to a new paper published on the preprint site arXiv: The aliens are out there, alright. We just have to give them time to notice us and reach out to us. The ...

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...

(via minutephysics) This video explains how the Fermi Paradox - the fact that aliens should mathematically be abundant in the universe and yet we haven't heard from any - actually makes sense when you ...

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 ...