Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible in space.

While humans often struggle to find a partner who is both physically attractive and a reliable co-parent, yeast may already have cracked the formula for the perfect match. When choosing mates, these ...

University of Adelaide research shows sperm navigation fails in microgravity conditions, posing significant challenges for human reproduction in space.

Sexual reproduction is essential for mammals to eliminate harmful genetic mutations that build up through cloning, a research ...

Scientists have used a tiny plastic "obstacle course" to test how much sperm would struggle to navigate during sex in the weightlessness of space.

Research findings are available online in the journal Communications Biology. The original story “ Getting pregnant in space isn’t that easy, study finds ” is published in The Brighter Side of News.

Southern Resident killer whales are a small and well-studied group of orcas that have long been seen as an isolated group without much outside connection. New research challenges that view, ...

As the generations dragged on past the 27th iteration, the birth rate began to silently collapse. By the 57th generation, a mere 0.6 percent of the cloned embryos survived. The 58th generation ...

Adelaide University research reveals significant challenges for human reproduction in space, highlighting microgravity's ...

Countless scientists and at least a dozen high-concept sci-fi comedies over the past 30 years have speculated on the ...

What if sex isn’t entirely left to chance? In humans, sex determination is usually described as a random process. The egg always carries an X chromosome, while sperm either carry an X or Y. When ...