Autism may stem from a different — and larger — set of genetic mutations in women than it does in men.

A new resource that details the ages at which children attain milestones such as speaking and walking could help clinicians spot autism sooner.

A new autism mouse model carries the same mutation in a gene called ADNP that is seen in autistic people.

Nerve fiber tracts in the brains of autistic girls appear more fragmented than those of typical girls’. Autistic boys’ brains, meanwhile, look like those of typical boys.

The loss of 21 genes on chromosome 3 may substantially raise the risk of autism.

Two new maps show the entire nervous system of the adult roundworm Caenorhabditis elegans.