Marcia Bartusiak joins Kip Thorne, Laura Danly and Rainer Weiss to demonstrate how two observatories on opposite sides of the country, called LIGO (Laser Interferometer Gravitational-wave Observatory), may open a new window on observing the cosmos—one based not in light but in gravity.

Archaeologists Hannah Morris and Becca Peixotto tell the story of their efforts to uncover remains of a new species of human relatives that are over 200,000 years old in South …

We have fallen woefully behind in the race to keep up with harmful bacteria as they continually evolve to outsmart our antibiotics, in fact, there are already superbugs we cannot …

What if we could peer into a brain and see guilt or innocence? Brain scanning technology is trying to break its way into the courtroom, but can we—and should we—determine criminal fate based on high-tech images of the brain?

The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as they discuss and debate this controversial implication of forefront research.

Humans are heading back to the moon…and this time, they have plans to stay. National and international space agencies, and private enterprise, are joining forces with the goal of establishing …