New twists to an old technique reveal a better understanding of disease pathology and new therapeutic avenues.

Scientists uncover the promise of mesenchymal stem cells (MSCs), also known as medicinal signaling cells, to modulate the immune system and regenerate tissue.

Understanding biology’s software—the rules that enable great plasticity in how cell collectives generate reliable anatomies—is key to advancing tissue engineering and regenerative medicine.

Planarian flatworms grow to double their normal size when scientists inhibit a gene that suppresses growth.

Physicists, geneticists, computer scientists, and biologists are working together to gain a full appreciation of the intricacies of organismal growth and form.

A study in mice reveals that stem cell transplants, currently in clinical trials, may not actually require the cells.

Collagen inside ankles has more turnover than that in hips, thanks to the action of microRNAs.

The funding future is uncertain for researchers studying topics including cancer, stem cells, and the Arctic.

The FTC, in its first crack down on the industry, gets two California companies selling unproven treatments to stop their false advertising and pay a fine.