The faster the brains of children with autism grow in their first year of life, the more severe their autism features are likely to be at age 2.

President Trump’s comments on vaccines’ supposed link to autism and his proposed agency appointments are spurring scientists to take political action.

Autism researchers in the United Kingdom fear that the country’s exit from the European Union will cut funding, scare away talent and strain partnerships.

Neural stem cells derived from boys with autism of unknown cause may share genetic, chemical and physical features absent in cells from their typical brothers.

Watch the complete replay of Ilina Singh’s webinar, in which she discussed ethical issues related to early intervention for autism at different developmental stages.

About 1 in 10 toddlers who have an older sibling with autism have cognitive and motor delays.

Children who have an older sibling with autism are 14 times more likely to have the condition than are those without a family history of the condition.

A study of more than 85,000 people with epilepsy and their immediate relatives suggests that epilepsy and autism share biological roots.

Mental health conditions crop up more than twice as often in families that include a child with autism as in the general population.

Among infants with a family history of autism, those later diagnosed with the condition have trouble holding up their head and grasping objects at 6 months of age.