Most animals require both a male and a female to reproduce. But a surprising number of species can occasionally bypass that ...

A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million ...

If you've ever had a spiny leaf insect as a pet, or you're considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities ...

Reproduction is a normal part of life, and while sex might seem like a quick and straightforward process for humans, that’s not always the case in the animal kingdom. Some animals reproduce in rougher ...

Yes, you read that right. Virgin births are a thing, and they've been happening for millennia in some animals. It's something called parthenogenesis, which basically just means reproduction without ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

Our planet is filled with a dazzling variety of creatures that bump uglies to reproduce. Cats do it. Dogs do it. The birds and the bees definitely do it. But what were the first animals to have sex?

Imagine if humans could do that—no need for a partner or complicated dating processes. Just think of the possibilities! wink, wink. Cloning in animals refers to asexual reproduction, where an organism ...

Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...

Understanding how to save an animal species from extinction may depend, in part, on understanding the many unique processes that lead to birth. That is why researchers at the Smithsonian’s National ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...