Oxidative stress, an imbalance between the production of reactive oxygen species (ROS) and the ability to neutralize them ...

This internal left-right asymmetry is believed to begin at the very early stage of development -- when a tiny embryo is divided into two parts during a process called gastrulation. This process ...

Some animals live decades, but this ancient creature has survived for over 500 years—and it’s still growing! Scientists are amazed by its incredible longevity, defying aging in ways we barely ...