Stem cells have long been heralded as a potential tool to treat illnesses. Nabiha Saklayen explains how it's still early, but scientists are getting closer to turning this vision into a reality.

What if we could rescue endangered species before they disappear? Biotech entrepreneur Ryan Phelan explores how genetic engineering tools can save species that would otherwise go extinct.

The two cases are in a preliminary posture, but how the court rules will very likely signal how these issues are ultimately resolved.

Facing worsening homelessness and sprawling illegal encampments, some American cities are resorting to setting up regulated, outdoor shelters even in the dead of winter.