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 ...

Experts believe ancient alien civilizations have been living on mars. See more in this clip from Season 1, Episode 7, ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most basic statistics point toward the existence of countless potentially ...

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

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

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

Scientists estimate 36 alien civilizations could be lurking in the Milky Way right now—here's the math behind this ...

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 ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...