Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Trump's announcement came after he accused former U.S. president Barack Obama of disclosing 'classified information' after Obama suggested that aliens were real.

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

The Kardashev Scale measures a civilization’s energy use. Comparing Earth to alien civilizations shows how far we still have to go.

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

In this 100 Player Minecraft Civilization Simulation, staying alive is hard, but winning is almost impossible. When you die, ...

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.

Nuclear fusion combines light hydrogen atoms to release energy, similar to the sun's processes. Fusion reactors are ...

Whether you’re in the mood for a reliable sci-fi gem or an enlightening new docuseries courtesy of Marty Supreme director ...