Alien creatures may feel like pure fiction, but some of their most disturbing traits already exist in nature. Parasitic ...

The zoo hypothesis offers one of the most unsettling answers to the question of why we haven’t found alien life. It suggests ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we dive into fascinating ideas from around the universe. You can sign up for Lost in Space-Time here. Modern physics ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures? Reading time 3 minutes Assuming aliens do physics like us but are ...