May the faint chemical signals drifting through the atmosphere of a distant world be the long-sought message that we are not alone. Astronomers have reported seeing an unusual and strong combination ...

Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next? When you purchase through links on our site ...

One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It’s called K2-18b, and it’s the world you’d want to visit. K2-18b isn’t exactly like Earth. It’s more ...

A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the researcher points to panspermia, a theory that life or the ingredients for life came ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

Movile Cave in Romania has evolved independently since it was cut off from the air and sunlight 5.5 million years ago. Its extreme environment seems inhospitable to most life on Earth. Yet, this place ...

With the recent discovery of traces of what may or may not be or have been life on Mars, eyes are turning to another world in the solar system which might harbor extraterrestrial life. Old data from ...