How could terrestrial living organisms withstand the hostile environments of other planets? To answer this question, a ...

The idea that the cosmos might be alive is moving from late-night speculation into serious, if controversial, scientific ...

Learn about Prototaxites, a bizarre group of prehistoric organisms that fall within an unknown lineage of extinct life.

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have been like. As an organism that appeared to grow up through Earth’s crust in ...

Most forms of life cannot survive extreme environmental conditions, like excessive temperatures. Likewise, the significant majority of species on our planet have a set lifespan and cannot exist past a ...

Learn how one-celled organisms, or single-celled organisms, helped build complex life.