As a researcher, I still remember the discomfort I felt every time I had to sacrifice laboratory animals for an experiment. For decades, animals like mice, rats and pigs have been essential tools in ...

Tickling may be evolutionarily ancient and recognized across cultures, but science has only scratched the surface of this ...

It has long been known as the arbiter of reward in the brain, but recent findings could upend this classic theory of dopamine ...

In the middle of the old-growth forests of Congaree National Park in South Carolina, fireflies put on an otherworldly display ...

Astronomers have uncovered a hidden cosmic web of galaxies and gas by mapping hydrogen light from the early universe.