For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

If you think laughter and comedy are reserved strictly for humans, you’d be wrong. A study in the late 1990s showed that ...

Scientists discover 97-million-year-old magnetic fossils that reveal how ancient animals used Earth’s magnetic field as a ...

In the wild, a mouse or rat leads a precarious life. In the city, they dodge traps, poisons, and broom-wielding humans. In the countryside, they face owls, shotguns, and more poison. As Australia’s ...

Surprising animal actions often appear staged but are actually practical. Science reveals that these behaviors demonstrate intelligence, cooperation, and adaptability. From chimpanzees hugging to ...

Instead, environmental cues trigger changes in gene activity, which then change levels of key enzymes and hormones. In particular, one enzyme, called aromatase, is known to change male sex hormones ...

It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...

For more than a century, the Ediacara Biota has quietly confused scientists. These fossils, dating back around 570 million ...

Nature's architects build without blueprints! From beaver dams to termite mounds and ant cities, complex structures emerge as animals respond to local cues. Beavers listen to water, termites sense air ...