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?

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.

Biochemist Jennifer Doudna talks to Vision’s Dan Cloer about a genetic-engineering breakthrough that has profound implications for biology and medicine.

As initiatives are made to communicate with life beyond Earth, will we finally get the message that has always been available to us?

Insight Video: Daily, it seems, a report from some part of the globe warns of dire consequences from environmental pollution and degradation—unless we act soon.

Interstellar, nominated for five 2015 Oscars, explores the meaning of love. Can a film shed light on such a vast subject, or should we look elsewhere?

That we affect our environment in various ways is beyond debate, but can we alter the planet and its systems to reverse current trends and avert an impending catastrophe, or do we overestimate our power?