Children in families with a history of brain conditions may be at increased odds of being autistic.

Depression may show up in children with autism in an unusual way — most commonly as insomnia and restlessness.

Researchers need funds to investigate why autistic women take their own lives — and how to stop them.

A study of more than 5 million people reveals the onset and prevalence of nine diagnoses that often accompany autism.

Autism and obsessive-compulsive disorder frequently accompany each other; Scientists are studying both to understand how they differ.

An analysis of DNA from more than 20,000 people with autism identifies 12 regions in the genome that harbor inherited risk factors for the condition.

Clinicians need to be able to distinguish autism from post-traumatic stress disorder so they can provide the right support.

A new protocol enables researchers to rigorously test drugs for Angelman syndrome in mice.

Even undiagnosed siblings of children with autism tend to struggle with anxiety, depression and social difficulties.

Depression is more than three times as common among adults with autism as it is in the general population.