Earth’s deep past leaves plenty of unanswered questions. None currently proves an alien visit, but scientists know the ...

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

The Fermi Paradox asks a simple question: if alien civilizations should be common, where is everybody? The Zoo Hypothesis ...

What if aliens were building a massive power plant?Last time, I talked about the "Kardashev scale," which classifies the ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

In the coming month, humans are going to experience their first encounter with an alien civilization as predicted by blind Bulgarian mystic Baba Vanga in his 2026 year’s prophecy. Famed ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that signal has normally been based on our own current cutting-edge technology. But ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

When gazing at the countless stars shining in the night sky, have you ever wondered about this?"Is there life other than on ...