A gene that raises the risk of autism in some people may also give humans an evolutionary boost.

A new study reveals how chemicals in the newborn brain forge connections between neurons.

Genetic variants that impair a pathway that prunes neuronal connections may offer clues to autism.

Techniques used in behavioral interventions could help scientists scan the brains of children who have both autism and intellectual disability.

Autism is four times more prevalent among extremely premature babies than in the general population.

Mini-brains grown from stem cells in culture can reveal the effects of both autism and the Zika virus on early development.

Children with autism tend to mix up personal pronouns when their language skills outpace their social awareness.

A mouse model of fragile X syndrome lacks a key feature of the condition, prompting researchers to look for other ways to test treatments.

Partnering with families affected by autism may make research more relevant, fun and likely to succeed.

Small social monkeys called marmosets are well suited for studies on social behaviors and autism.