Understanding the evolution of insect mating behavior is essential for explaining how early insects adapted to life on land.

As part of the Shenzhou-21 mission, the four mice were sent to Tiangong Space Station on October 31. Soon after returning on ...

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

At three sites where turkeys are hunted, it appeared that females were more likely to give birth to other females.

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

From polygamous tree toads to heavy stick bugs, this year’s extensive new species discoveries are changing the way we see our ...

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

The robin is regularly crowned the UK's favourite bird. With its inquisitive nature and unmistakable red breast, it's a ...

Scientists say cockroach milk contains four times more protein than cow’s milk. Here’s how it works, its benefits, risks, and whether humans could ever drink it.

There were about as many deadly bear attacks in Japan in just 2025 as there are in the United States in the average decade.

The process behind embryonic diapause could explain how cancer cells can survive long periods of metabolic stress.