Asteroids would’ve supplied the raw materials, heat, and geologic plumbing to circulate prebiotic matter while also creating ...

A remarkably hardy bacterium can survive pressures similar to those generated when asteroid impacts blast debris off Mars, a ...

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

Over 4 billion years ago, as planets were coalescing around the newborn Sun, our star may have gone on an epic road trip across the Milky Way along with thousands of stellar "twins." And we may owe ...

The tiniest life forms are also among Earth’s toughest, from near-invincible tardigrades to extremophilic microbes that ...

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

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

A wild new theory has claimed the origins of life on Earth were delivered by aliens who were terraforming the planet into a habitable world billions of years ago. Robert Endres, a scientist from ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

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

Explore how Earth would appear without life. Studies from Universe Today and Cornell University reveal atmospheric signals, surface conditions, and implications for exoplanet observations.

UC College of Arts and Sciences Professor Thomas Algeo has been studying the planet's five major mass extinctions since the ...