Science reveals much about the physical universe but cannot fully answer our deepest questions. What do we need to complete our understanding?

We’ve been looking for extraterrestrial intelligence for over 60 years. What have we learned?

Some of our favorite modern conveniences trace their origins to a chemistry lab. While they may make life easier today, future generations will pay a high price.

As advances in artificial intelligence gain momentum, it’s clear it can be used both positively and negatively. Is there a moral code we can trust to guide our personal use of these technologies?

The fashion industry is riddled with ethical issues—everything from child labor, slavery, terrible working conditions and even violence. How can consumers dress themselves while remaining true to their values?

Our overheating planet is already showing evidence of climate breakdown. What can we still do about it?

A holistic rather than a mechanistic view of human beings suggests that we are more than the sum of our parts.

Environmental philosopher Christopher Preston offers an optimistic perspective on our relationship with nature in the face of profound damage and exploitation.

A number of endangered wild animals have been making a comeback, raising questions about how best to thrive alongside them. Vision reviews Tenacious Beasts by Christopher Preston.

Two sources of error play a profound role in our judgments and decisions.