Scientists have boosted the motility of sluggish sperm by up to 266%, by blasting the cells with noninvasive, 40-MHz ultrasound waves to induce movement. Capturing the technique's impact on individual ...

For decades, sperm were thought to become fully active the moment they entered the female reproductive tract. New research suggests otherwise. A temperature-sensitive switch inside sperm cells may ...

Sperm carry more than DNA. They carry a complex network of lipids that guide energy use, membrane fluidity, motility, and the ...

Men with fertility issues have lower levels of phosphate in the blood than average, according to research presented at the first Joint Congress between the European Society of Pediatric Endocrinology ...

Male fertility is strongly influenced by diet and lifestyle habits. Consistent healthy choices can improve sperm quality within months ...

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 ...