After stem-cell surgery.
Geron may have abandoned its effort to treat paralyzed patients with stem cells—but two rivals are...
Stem cells from embryos may finally cure patients—reviving a bitter debate.
Robert Evans started his research in the 1950s. Now the universe of IVF has expanded into a nuanced and ever-evolving area of science and culture.
Embryonic-stem-cell research has provoked more controversy—political, religious, and ethical—than almost any other area of scientific inquiry....
A slew of important medical developments includes a report that adult stem cells have memories, the advent of a vaginal gel that reduces the risk of HIV...