WASHINGTON -- Cells extracted from a human embryo have been nurtured into tiny blood vessels, a key step toward someday using embryonic stem cells to aid ailing hearts or fix blocked arteries, ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. NEW YORK-- For only the second time, the U.S. government has approved a test in people of a treatment using embryonic stem cells ...

Understanding how cells differentiate during early embryonic development is crucial for advancing regenerative medicine and developmental biology. Pluripotent stem cells (PSCs) have been invaluable ...

It took seven days for Haruko Obokata and her team to learn that they might have rewritten the rules of biology. Working with a bunch of blood cells obtained from newborn mouse spleens, the group ...

WASHINGTON -- Supporters of research using embryonic stem cells are pointing to two new endorsements as they urge President Bush to allow federal funds for the work. A federal health research report ...

New, or newly interpreted, state laws and court decisions governing abortion may directly affect access to medical care and treatment for patients who are, or who want to become, pregnant. They also ...

The discovery of a gene essential to early embryonic development sheds light on the preliminary stages of human placenta formation. A team led by scientists from the University of California San Diego ...

Thomson and most other researchers hope that they'll eventually be able to distill the secret of embryonic stem cells - that is, their ability to become virtually every kind of tissue in the body - ...