IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

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

This scene imagines the mysterious beauty of alien worlds beyond our solar system. The landscape features unusual plant life, towering organic structures, and glowing vegetation surrounding calm water ...

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

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

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 ...

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

The odd pyramid-like structure found in the largest canyon network in the solar system has sparked theories the Red planet was once inhabited by an ancient civilisation ...