The scientific community tends to employ ‘confidence of life’ detection scales: a multi-step ‘ladder’ that begins with ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is just a story.

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage ...

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts said.

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may ...

Astrophysicist Neil deGrasse Tyson has backed former President Barack Obama after he suggested extraterrestrial life exists.