It is slimy, mysterious, and one of Europe’s most enigmatic species: the eel. For centuries, researchers have tried to discover where and how these fish reproduce–but to this day, no one knows for ...

Livewell Animal Hospital of McKinney, which will be located in Shoppes at Stonebridge, is slated to open this year, Marketing Manager Ellen Chandler said.

For decades, studying menstruation has posed a problem even the most sophisticated lab equipment couldn’t solve: most lab ...

A new study has shown the ovary’s tissues and cells play a bigger role than previously thought in how fertility wanes.

The North Atlantic right whale now numbers an estimated 384 animals, up eight whales from the previous year, according to a ...

Many mountain gorillas keep living - vigorous and socially engaged - for a decade or more beyond the years of reproduction.

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

From a young age, the river turtle embarks on a tough journey; the chance of a turtle hatchling surviving to adulthood is ...

New research from the Max Planck Institute for Evolutionary Anthropology and the University of Turku reveals that female ...

Original Reporting This article contains firsthand information gathered by reporters. This includes directly interviewing sources and analyzing primary source documents. References This article ...