How did life move from water to land? Discover the 550-million-year journey from ancient algae to the first vascular plants like Cooksonia.

You will be redirected to our submission process. DRAFT Reproductive success depends on precisely coordinated molecular and cellular signaling across sperm function, oocyte maturation, fertilization, ...

As part of its continued research project on black bear reproduction and population, the Department of Natural Resources is again encouraging the public to report any bear den locations they find this ...

A new international study warns that reproductive health in space is no longer a theoretical concern and that questions about fertility and pregnancy should be pressing concerns. As commercial ...

Add Yahoo as a preferred source to see more of our stories on Google. Describing space as a fundamentally "hostile environment" for all human life, the study highlights the very limited data on human ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

If humanity truly hopes to colonize the solar system, it must overcome a challenge arguably greater than any technological hurdle: human reproduction beyond Earth. The idea may sound like science ...

"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical integrity." When you purchase through links on our site, we may earn an ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

For centuries, eels have kept one of nature’s most stubborn secrets. Scientists have chased answers through ancient folklore, dead ends in early experiments, and decades of missing evidence. Even with ...

Easily overlooked due to their size, bryophytes (mosses, liverworts, and hornworts) play a critical role in ecosystems and serve as indicators of environmental conditions such as air and soil quality.

In the quest to create better options for couples facing infertility, scientists have been racing to create eggs and sperm in a laboratory dish. A study published Tuesday in Nature Communications from ...