Over 130 mammal species can delay embryonic development, giving their offspring the best possible chance of survival in ideal ...

As the climate changes, scientists are concerned about how well plants and animals will adapt to rapid warming. A new ...

An Instagram post about the last two northern white rhinos references a scenario conservationists have warned us about for ...

Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before ...

The curved shape of a zebrafish egg causes unequal cell divisions, creating larger cells near the animal pole and smaller ...

The first few days of a human embryo’s development, known as pre-implantation, are important. It’s when the first cells are formed, and these decide if the embryo can survive, how it will implant in ...

NAIROBI, Kenya (AP) — A rhinoceros was impregnated through embryo transfer in the first successful use of a method that conservationists said might later make it possible to save the nearly extinct ...

At least 8% of the human genome is genetic material from viruses. It was considered ‘junk DNA’ until recently, but its role in human development is now known to be essential Researchers at the Spanish ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NAIROBI, Kenya (AP) — Researchers say a ...