What are the physics of life? That is more than just a philosophical question—it has practical implications for our search ...

Asking a biologist to define 'life' is a bit like looking-up the word 'definition' in a dictionary — it's as if you're questioning their very existence. Biologists like myself don't agree on what life ...

Scientists have debated the definition of life for decades, but they still lack a consensus on the answer. Experts believe that "edge cases" make life difficult to define and blur boundaries across ...

At the beginning of November, we change our clocks again. As the saying goes, “We fall backward.” The idea of falling backward offers us the opportunity to reflect upon our past. We’re also getting to ...

What is the definition of meaning? When we talk about meaning in psychology, we are generally referring to a significant or valuable explanation for why something happened or why it matters. This ...

Knowing your "why" isn't just nice—it's essential to living a happy, fulfilling life. Here, experts offer steps to finding your purpose in life. What is the purpose of life? There are as many answers ...

Life is full of questions. Sometimes you wonder what the meaning of life is and why you are here in the first place. Existential therapy helps put a lot of focus on the human condition as a whole. It ...

People often feel that they can intuitively recognize whether something is alive, but nature is filled with entities that flout easy categorization as life or non-life — and the challenge may ...

What do people value in life? How much of what gives people satisfaction in their lives is fundamental and shared across cultures, and how much is unique to a given society? To understand these and ...

The question concerning the meaning of life should not be taken as unanswerable. It has a reasonable answer and one that should satisfy even skeptics. People often find themselves in a situation where ...