While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with ...

However, a new study from the University of Geneva suggests that the egg could in fact predate all animal life. A ...

Scientists at Queen Mary University of London and the University of Hong Kong have created a mouse with substituted genes ...

Everyone has a past. That includes the millions of species of insects, arachnids, and nematode worms that make up a major animal group called the Ecdysozoa.

The 500-million-year-old primitive fish without bones or teeth has surprisingly advanced anatomical features. “Based on the ...

The team is still in the early stages of robot construction, and in addition to the water-to-land transition, they also hope to eventually study the evolution of flight and how some animals ...

How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that question.

The research highlights how evolution repurposes existing genetic tools, turning them into versatile drivers of innovation.

Cell division is fundamental to life, enabling growth, reproduction, and survival across all organisms, from single-celled bacteria to complex multicellular animals. While animals and fungi share a ...

A team of researchers has identified the earliest known ecdysozoan fossil, which originated from the Precambrian era.

A new survey is offering a rare snapshot into current scientific thinking on animal emotions and consciousness.

An international team of researchers has achieved an unprecedented milestone: the creation of mouse stem cells capable of generating a fully developed mouse using genetic tools from a unicellular ...