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

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

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

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 ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Aura readers, quantum life coaches, and “starseeds” came together at the Conscious Life Expo in Los Angeles: “There’s a ...

Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

"Stargate SG-1" became a sci-fi fan favorite, resulting in one of the longest-running genre series ever. We've picked five of ...