The understanding of autism has come full circle. Back in the 1940s, autism was recognized as a lifelong disability. Then came decades during which many believed that autism was something you could ...

Health Secretary Robert F. Kennedy Jr.'s agenda has won praise from some whose loved ones have severe complications from autism. But others say his rhetoric fails to accurately portray people on the ...

Soon after psychiatrist Leo Kanner first identified autism in the 1940s, he and his colleagues proposed a simple explanation for its cause: mothers’ “lack of genuine warmth” toward their children.

Studies reveal a complex interplay of traits, genes, and brain structure behind the dual diagnosis—raising new questions about how we define and treat both conditions. Photographer Emily June Smith ...

Dr. Tager-Flusberg is the founder of the Coalition of Autism Scientists. Ms. Singer is the president of the Autism Science Foundation and mother of a child with autism. Dr. Lee is an epidemiologist.