Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive cells—sperm—also seem to get confused in simulated microgravity, which has ...

As humankind moves toward the goal of establishing a long-term presence on the moon and Mars, the question of whether ...

Space is big, empty, and apparently very confusing if you’re a sperm cell. According to a new study from the University of ...

A trip to space could very well leave human male sperm stumbling about in the dark, chasing their tails. Researchers at ...

A new way to measure male fertility has been discovered by researchers at the University of Waterloo, opening the door to the development of simple, inexpensive tests for clinical and at-home use. The ...

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 ...

Monash researchers have discovered that swimming sperm create swirling fluid vortices—shaped like rolling corkscrews—giving them an extra boost in the race to the egg. The study, published in Cell ...