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

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Some animals on Earth look so unusual that they appear almost alien. Their shapes, movements, and survival strategies challenge familiar ideas of what life should look like. Scientists study these ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

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

The desert formations of the Pinnacles in Australia look like something out of a sci-fi movie — but they’re very real.

The outlet called the Catholic vice president a “moral stain” on the religion after he said Renee Nicole Good’s killing was ...

And even if they were to happen across the probes, finding a way for aliens to discover where and when they were made is not ...

"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, ...

In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...