Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

But the creepiest layer of Marathon ’s mythology involves entities called the W’rkncacnter — primordial forces of chaos so dangerous they were imprisoned inside stars, black holes, and only ...

This ship was huge. It was like a city-sized ship. And there was hundreds of beings on board,” said Debbie Solaris, a military veteran and one of six panelists sharing their alien encounters with a ...

People recently spotted a bizarre triangular tower inside the secretive Area 51 military base through satellite imagery on Google Maps. This unusual structure stands out in the Nevada desert landscape ...