Autistic people and their families are increasingly experimenting with marijuana to try to ease problems such as insomnia, epilepsy and chronic pain — and traits of autism. But there is little evidence for its safety or effectiveness.

Contrary to previous results, the blood pressure drug did not uniformly improve autism traits in a new clinical trial.

An experimental drug silences a DNA segment and seems to prevent seizures and death in a condition related to autism.

A growing number of studies are revealing circuits that may underlie social challenges in autism — and how to fine-tune them.

Most people with autism have motor difficulties, ranging from an atypical gait to problems with handwriting, but researchers still have much to learn about their causes and consequences.

Grouping autistic people based on their social abilities may reveal subtypes of the condition.

A new treatment prevents seizures and improves memory in a mouse model of fragile X syndrome, according to a new study.

Dampening overactive brain circuits alleviates social and memory problems in a mouse model of 22q11.2 deletion syndrome.

Parents say the so-called ‘rapid prompting method’ unlocks hidden talents in their minimally verbal autistic children, but researchers question whether the words produced are the child’s own.

An infusion of umbilical cord blood does not improve social skills in autistic children, according to results from the largest, most rigorous test of the therapy for autism to date.