Scientists now question how life’s building blocks first appeared before LUCA, reshaping our search for life beyond Earth.

Regents Review is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Imagine a world where the boundaries of biology are no longer fixed—a world where life can be created in a lab, where artificial intelligence can preserve a version of you long after you’re gone, and ...

Life Processes is often treated as a chapter to memorise, but it is far more than that. From photosynthesis to respiration, this topic explains how life functions as an interconnected system.