The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously thought, but also in echinoderms (invertebrates). This is one of the most ...

Plant reproduction is highly complex and variable across the kingdom. The emergence of sexual reproduction has contributed to increase plant genetic diversity and enabled the colonisation of new ...

A 500-million-year-old fossil from Morocco, discovered by Natural History Museum scientists, is offering extraordinary new insights into one of evolution's most puzzling transformations: how ...

Copyright: © 2025 Elsevier Ltd. All rights are reserved, including those for text and data mining, AI training, and similar technologies. Fertility rates have ...

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 ...

A lack of clarity on legal protections for children born through assisted reproduction can lead to tragic consequences. State statutes regarding children born through assisted reproduction should ...

Life-history theory, central to our understanding of diversity in morphology, behaviour, and senescence, describes how traits evolve through the optimisation of trade-offs in investment. Despite ...

Lucinda Aulsebrook does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Choose from Echinoderms stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.

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, ...