Neurobiologist Michael Fossel explains how people’s healthy life spans can be extended and how he believes Alzheimer’s will soon be cured.

In an age when human survival seems to be hanging in the balance, cosmologist Martin Rees speculates on our collective future.

In the face of mounting threats to humanity’s continued existence on Earth, scientists are proposing various solutions. But they all seem to be overlooking one fundamental problem.

Insight Video: Many scientists are warning that the human footprint is one of indiscriminate destruction and possibly irretrievable loss. Are our days numbered?

As biotechnology marches us toward a world of new and improved human genetics, should we be optimistic—or concerned?

Insight Video: Is the present century humanity’s last? It’s a growing concern for many.

Around the world, whole species of amphibians are dying. And it all may have started with a human pregnancy test.

Science and the Bible agree on fundamental aspects of what makes life possible. Uncovering its origin and purpose by scientific means has proven more challenging.

Science has given us answers to many questions, but what gives us confidence in those answers? Can what we come to believe actually bring about our demise?