The personalized CRISPR treatment could be the future of gene therapy, but hurdles remain before everyone has access.

New studies show that astrocytes, long thought to be support cells in the brain, are crucial intermediaries for relaying messages to neurons.

Common bedbugs experienced a dramatic jump in population size about 13,000 years ago, around the time humans congregated in the first cities.

Ancient scavengers of the beached beasts turned their bones into implements that spread across a large area, researchers say.

A 47-million-year-old cicada fossil from Germany’s Messel Pit could teach us about the evolution of insect communication.

Editor in Chief Nancy Shute discusses the centennial of quantum mechanics’ framework, Hubble’s 35th anniversary and the legacy of Kanzi the bonobo.

It’s a matter of size A January executive order by President Donald Trump designates people as female if they make the “large” reproductive cell (the egg) and male if they make the “small” one (the sperm). But the human sexes don’t fit neatly into a male–female binary due to factors such as genetics and hormones,