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 ...

Particles from Earth’s atmosphere have been carried into space by solar wind and landing on the moon for billions of years, mixing into the lunar soil, according to a new study.

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 ...

This short preview sets the stage for a larger journey across space, time, and consciousness — imagining forms of life that may exist beyond Earth, and what they could teach us about ourselves.

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 ...

Every year there are a handful of shows that I enjoyed the hell out of watching, and 2025 delivered in a big way. This was a ...

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

Of Meteors and Buckyballs Aired February 23, 2001 - 7:40 a.m. ET . THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED ...

What hurts more than a nail-biting cliffhanger? A cliffhanger that'll never be resolved. Sadly, that's exactly what happened ...