Maybe the first life on Earth was part of an 'RNA world.' Artur Plawgo/Science Photo Library via Getty Images How life on Earth started has puzzled scientists for a long time. And it still does.

Scientists recorded 24 hours of the cellular construction process, revealing surprising new details about how plant cell ...

Scientists have estimated how many cells have occupied Earth since the origin of life on the planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

New phospholipid discovery brings researchers closer to understanding how primordial cells emerged during origin of life. Roughly 4 billion years ago, Earth was developing conditions suitable for life ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The exact sequence of events behind eukaryogenesis is ...

ATLANTA — What happens when you send heart cells to space? They come back transformed. Scientists discovered that after just eight days aboard the International Space Station, human heart cells ...

In space, satellites face brutal temperature shifts from hot sunlight to freezing shadows. For ...

Roughly 4 billion years ago, Earth was developing conditions suitable for life. Origin-of-life scientists often wonder if the type of chemistry found on the early Earth was similar to what life ...