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

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

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

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Air conditioners protect people from heatwaves, but rising global use could increase emissions and add to climate warming by ...

A major report from the American Heart Association warns that heart disease in women is heading in the wrong direction.

Every now and then, I find myself wondering about what the future really holds. Not in some abstract, sci-fi way, but in a real, down-to-earth sense. What will life actually look like in a couple of ...

Understanding Climate Tipping Points Defining Earth’s Critical Thresholds So, what exactly are these "tipping points" everyone’s talking ...

Here’s what you’ll learn when you read this story: “While the last universal common ancestor is the most ancient organism we can study with evolutionary methods,” Aaron Goldman, lead author of the ...

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

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 ...

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which Harvard scientist Avi Loeb claims raises the possibility that the comet is an ...