Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.

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New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared. But what ...

Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

RNA, which is one of life's most crucial molecules dealing with the synthesis of proteins, could be common in the universe, according to a new experiment that shows how RNA could easily have formed on ...

Seán Jordan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

How did life begin on Earth? While scientists have theories, they don’t yet fully understand the precise chemical steps that led to biology or when the first primitive life forms appeared. But what if ...