Are humans alone in the universe, or could intelligent alien civilizations exist somewhere beyond Earth? For more than 60 ...

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 ...

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 ...

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

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

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 ...

Cooperation between Russia and the United States in the field of scientific search for extraterrestrial life and alien ...

Black holes appear built to hide energy, not advertise it. Yet a civilization wrapping one in vast collectors could create a detectable glow, turning one of the universe’s darkest objects into a ...

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 ...

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