Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth.

The origin of life on Earth becomes even more fascinating and complex as we peer into the mysterious world of viruses. Said ...

The origin of life is surely one of the most important questions in biology. How did inanimate molecules give rise to the ...

The origin of the first living molecules on our planet has long been debated. However, recent experiments are revealing new ...

In a new book, astrophysicist Mario Livio describes how the existence of life on Earth can be traced back to an RNA-based “protocell.” The following is an excerpt from Is Earth Exceptional?: The Quest ...

Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants. Ten years ago, ...