Could Earth have hosted an advanced civilization before humans? This intriguing question is at the heart of the Silurian Hypothesis, a theory that challenges our understanding of Earth’s history. By ...

Adrift in a great sea of stars, we must surely not be alone. It's hard not to look at the night sky and think about the possibility of other civilizations out there. From the philosophical ...

The hunt for aliens goes hand in hand with the hunt for habitable planets. Astronomers are on the hunt for exoplanets with atmospheric chemicals that could be a sign of an advanced civilization. These ...

It is no secret that humans are the dominant species on Earth. And with no confirmed evidence of intelligent life elsewhere in the universe, we often assume we are also the most advanced civilization ...