A top congressional Republican on Sunday criticized President Barack Obama's expected decision to reverse the Bush administration's limits on embryonic stem-cell research, calling it a distraction ...

Researchers at the MRC Laboratory of Medical Sciences (LMS) and Imperial College London have shown for the first time that, before they can start developing into egg and sperm cells, the embryonic ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

Researchers have succeeded in generating high-quality feline embryonic stem cells using sperm and eggs from testes and ovaries discarded during sterilization surgery. As different as they may seem, ...

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 ...

Cindy Tian of the Department of Animal Science in the College of Agriculture, Health and Natural Resources works in her lab in the Agricultural Biotechnology Laboratory (ABL). Oct. 19, 2022.

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 ...

Today, a U.S. judge ruled that taxpayer dollars can, in fact, be used to support embryonic stem cell research. President Obama had lifted restrictions on federal funding in 2009 but two scientists ...