Are there aliens out there somewhere?

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

Scientists have proposed that advanced alien civilizations could build a Dyson sphere around a black hole instead of a star.

It sounds like something from the plot of Interstellar, but this plan to beam precious data back to Earth—before it’s lost ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...