Scientists demonstrated that an Earthly extremophile might withstand being ejected from the Red Planet on debris spewed into ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

A resurrected ancient enzyme is helping scientists test how reliably Earth’s oldest rocks record signs of life.

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. A new study shows that Earth formed under ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

Life on our planet emerged quickly or, at least, it did so on a geological timescale. Fossils reveal that micro-life existed on our planet at least 3.5 billion years ago. The rapid emergence of life ...

Add Yahoo as a preferred source to see more of our stories on Google. All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

Around 2.3 billion years ago, the Great Oxygenation Event (GOE) marked a major turning point in Earth’s history. The increase ...