Some autistic children’s communication and motor skills begin to decelerate between 9 and 18 months — years before the average age of diagnosis.

Parents of children with rare autism-linked mutations are banding together for support and to join forces with scientists, accelerating the pace of research.

Heightened sensory perception in toddlers with autism may predict sleep problems at around age 7.

Motor problems in autistic infants may parallel those in infants with other developmental conditions.

An analysis of spontaneous mutations in nearly 11,000 individuals with developmental delay or autism implicates 49 new genes.

Coaching caregivers in early-intervention strategies may be the most effective way to help young autistic children in South Africa.

A new type of speech therapy may improve the verbal abilities of children with autism who speak few or no words.

Genetic variants across the genome contribute to about 8 percent of the risk for certain developmental conditions — much more than previously thought.

Toddlers with autism show less fear when confronted with something scary than do typical children or those with developmental delay.

A pioneering project is showing how, 17 years since the first draft of the human genome, our genes are giving up their secrets and bringing hope to parents around the world.