New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

As for the statues long assumed to have been abandoned as they were being transported to the coastline to be displayed in ...

Still, the fancy persists, implanted like a microchip, ever since Erich von Däniken’s 1968 best-seller, “Chariots of the Gods ...

A brief historical review: For more than 2,000 years, antisemitic conspiracy theories have recycled the same poisonous idea: ...

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.