After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

As technological societies advance, their energy demands skyrocket, pushing them up the Kardashev scale. While fossil fuels, wind, and solar power offer solutions, they’re limited by efficiency, ...

One proposed solution to the Fermi Paradox suggests that intelligent civilizations remain silent by necessity. Advanced ...

A black hole is a celestial body so dense and massive that not even light can escape, created when a giant star cannot withstand its own gravity and collapses. Regarding such black holes, physicists ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

The contradiction between the high possibility of intelligent life other than humans existing in the universe, and the fact that no extraterrestrials or extraterrestrial civilizations have come into ...

Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...