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

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

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

Critical proteins involved in animal stem cell regulation are much older than previously thought, predating the origin of ...

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

It's not your uncle who tried to deep-fry a turkey in his bathtub. From animals who mistake their own reflections for rivals ...

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

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.

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

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 ...

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 ...