Should men trying to have kids avoid hot tubs? Do boxers vs. briefs impact sperm counts? Here's the real science behind male fertility.

After 18 years of infertility, a couple could finally have a baby thanks to artificial intelligence. The father had a rare condition that left him with almost no detectable sperm. Then fertility ...

The sperm tail moves very rapidly in 3D, not from side-to-side in 2D, as it was believed. Source: Image credited to polymaths-lab[dot]com New state-of-the-art 3D microscope technology combined with ...