Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem cell science is moving.
The achievement, described in the journal Stem Cells and Development, comes just 11 years after the first human embryonic stem cell line was created.
Scientists may have discovered an explanation for a cosmic mystery uncovered by the James Webb Space...
Three more Chinese astronauts, or taikonauts, are now marooned in space following the successful return of...
NASA is cutting short a mission at the International Space Station due to a medical issue...





























