Humanity often ponders the nature of alien life, but rarely considers the inverse: what would extraterrestrials think of us? For theoretical physicist Avi Loeb, the answer is bleak. "If I were looking ...

I don’t know how likely extraterrestrial life might be. But no matter what, the truth of Christianity will stand. This is how strange our times are: Last week, two United States presidents engaged the ...

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 ...

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 ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.