Cold water rushes over gravel and stones as the river winds through forests and wetlands before joining the vast waters of the Great Lakes.

Fertilization is often imagined as a frantic race, with millions of sperm competing for a single prize. But new research by a team of evolutionary biologists from Syracuse University, the University ...

The Surinam toad skips the tadpole stage entirely, but the way it gets there involves something far stranger happening on the ...

A parasitic worm discovered in rats nearly a century ago has quietly spread to every warm corner of the globe, and a single ...

Seven giant alebrijes are coming to Discovery Green. Houston’s next skyline? Not quite—but they’re 20 feet tall.

The real story behind reproduction and a collection of essays focusing on mothers and daughters ...

Scientists managed to confirm pregnancies in three giant mantas with underwater ultrasound scans, offering clues to the ...

African gray foam-nest treefrogs (Chiromantis xerampelina) are common across the savannas and dry forests of southeastern Africa. Despite their unremarkable outward appearance, these small animals ...

Reproductive science in veterinary medicine has traditionally centered on conventional domestic species such as cattle, horses, pigs, and dogs, driven by ...

The strange-looking creatures are one of two known mammals that use a social structure like that of bees and ants. A ruling ...

Aging affects every organ in the body, yet we still know little about how the ovary changes over time. In a new study published in Nature Aging, Yale researchers created one of the most detailed maps ...

It may seem odd to think of aphids producing their offspring while already pregnant, but in actuality, it is not an unusual phenomenon among insects. Aphids have been able to adapt to a reproductive ...