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 ...

"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 ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to be costly. Scientists tracked metabolism, blood, and hormone levels ...

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 ...

In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

An artificial “superfood” that provides essential nutrients for bees results in colonies producing much more larvae, suggesting it could help tackle the global decline in honeybees. Bees need to eat ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Figured In Bulletin 93 U.S.N.M. Pl.

Sharks play a critical role in maintaining the balance of ocean ecosystems. Whether they’re top predators or mesopredators, their presence helps regulate populations of prey species and support the ...

Birds do it, a few bees get to do it – but how did sexual reproduction evolve in the first place? An evolutionary model suggests that it could have started as a way for two cells to pool their ...

Third-party reproduction—using donor sperm, donor eggs, or surrogates to conceive—is often met with mixed emotions and discomfort. Although these methods help individuals and couples build families, ...

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