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

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 ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

Despite the vast differences in human and bee brains, both of us can do mathematics. As we argue in a new paper published in ...

The finding suggests phosphine—a potential biosignature—shouldn’t be viewed as evidence of alien life until natural, non-biological sources are ruled out. Reading time 5 minutes For scientists, the ...