alien life
Evidence of an Alien Ocean Found in Defunct 1990s Spacecraft Data
The Galileo spacecraft might have accidentally run through the sprinkler of Europa’s plumes.
Under the Sun
One of the world's leading climate scientists has written a work of fiction about his latest blockbuster paper—on the possibility that intelligent life may have preceded humans on Earth.
Saturn's moon could harbor alien microbial life
Scientists reproduced conditions in the icy moon's oceans and found it just might be home to something.
The Dominant Life Form in the Cosmos Is Probably Superintelligent Robots
The NASA scientists, philosophers, and futurists who believe that the aliens we meet most likely won't be a life form at all.
An Alien-Hunting Submarine Is Being Tested in Antarctica
A look at the amazing photos and stunning science from the ARTEMIS mission in Antarctica.
The Oldest Life on Earth Has Been Discovered in Canada's Arctic
It's an estimated four billion years old.
The Oldest Life on Earth Has Been Discovered in Canada's Arctic
It's an estimated 4 billion years old.
SETI Telescopes Are Investigating a Weird Radio Signal from a Sunlike Star
We all want to believe, but it's probably not aliens saying hello.
The Key to Life on Earth May Have Been Projectile Sun Barf
These solar storms can inform the search for alien life.
A Brief History of Scientists Searching for Extraterrestrial Life
There's still no sign of alien life, but that hasn't stopped researchers from looking for the past 50 years.