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

Here’s what you’ll learn when you read this story: The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

NASA is set to launch the Pandora space telescope on January 11 to study the atmospheres of distant exoplanets. The mission ...