Every winter, as the air sharpens and scarves return to shoulders, an old visitor also makes a reappearance: the flu. It ...

Scientists have finally watched influenza viruses break into living human cells in real time, catching the microscopic ...

From secret mushroom worlds to extreme close-ups of cell motion, these photographs represent how, in science, things often aren't what they seem on the surface. Reading time 3 minutes What you see ...

Inside every human cell, six feet of DNA folds into a nucleus that is only a few micrometers wide, yet still manages to ...