Whether a science-fiction fable with a relevant message about society or a morality play with a devious twist, The Twilight ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

Step into the stunning alien world of the Birrin, a speculative xenobiology project that imagines a deeply complex, ...

The Kardashev scale, envisions civilizations as endlessly progressing, building gigantic spaceships or Dyson spheres around their stars. But what if this isn't the only possible future for a ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

Sustainability may be an unavoidable feature of advanced civilizations, making advanced technology “indistinguishable from ...

Alien Civilizations and Earth: Who’s Winning the Tech Race? Posted: May 15, 2025 | Last updated: May 15, 2025. THE KARDASHEV SCALE. We have no idea what an alien civilization would look like.

It may take less than 1,000 years for an advanced alien civilization to destroy its own planet with climate change, even if it relies solely on renewable energy, a new model suggests. When ...

Somewhere in the galaxy, an advanced alien civilization might harness energy from its star.. And NASA wants to know if it could detect this activity.. The space agency has some powerful telescopes ...

Aliens could learn one of our languages, ask the LLM questions about us and receive replies that are representative of humanity. Reaching advanced civilizations beyond the moon involves addressing ...

The scarcity of alien civilizations. It's not unusual for experts to suspect that communicating civilizations are scarce. Pascal Lee, a senior planetary scientist at the SETI Institute, an ...