Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

While exploring a muddy puddle, we stumbled upon a bizarre fish that looks like it belongs on another planet. Its strange ...

One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It's called K2-18b, and it's ...

Of all the various subgenres attached to the sci-fi domain, alien invasion flicks come off as timeless favorites. Here are ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Earth is home to creatures so strange, beautiful, and bizarre that it’s easy to forget we share the planet with them. These ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...