Senior Correspondent This article is part of the The DC Brief, TIME’s politics newsletter. Sign up here to get stories like this sent to your inbox every weekday. Grievance is one of the most potent ...

Our solar system's famous "invader" might be as old as the Milky Way itself. An X1.4 solar flare triggered radio blackouts and launched a fast CME as NASA prepares for its Artemis 2 moon mission. New ...

Your autonomic nervous system helps regulate emotional balance, but chronic stress or trauma can trigger an overactive fight-or-flight response. Nervous system dysregulation refers to a condition in ...

The system approach principle places individual system elements in their environments and observes the relationships between them. Instead of studying a specific phenomenon first – an automobile ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

The limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...

The human immune system becomes less effective with age. This can be due to increased infection and chronic inflammation. However, exercising, eating a balanced diet, and maintaining a moderate weight ...