Sohrab Rahvar and Shahin Rouhani’s recent paper, “Constraining the Lifespan of Intelligent Technological Civilization in the Galaxy,” lays it out bluntly: Advanced civilizations last roughly 5,000 ...

But if the original Marathon trilogy from the 1990s — and numerous hints developer Bungie has dropped — are any indication, the new game may introduce something much weirder than rogue robots: alien ...

The Fermi Paradox asks a simple but unsettling question: if the universe is so vast, why haven’t we found evidence of alien ...

Space contains objects far more extreme than our Sun, including neutron stars, pulsars, quasars, white dwarfs, and black ...

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

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

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

There have been around 945 episodes of Star Trek, spread across more than a dozen shows, aired over sixty years. Yet for all the times Starfleet crew members have probed the intricacies of alien civil ...

Aura readers, quantum life coaches, and “starseeds” came together at the Conscious Life Expo in Los Angeles: “There’s a consensus that ‘first contact’ is not far away” In a packed ballroom in Los ...

I was trying to watch a TED Talk the other day — British mathematician Hannah Fry discussing ‘The Mathematics of Love’ — but ...

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