People with autism or autism traits may be especially vulnerable to brain aging and cognitive decline, two studies suggest.

One in five autistic people may have synesthesia, a crossing of the senses. Studying synesthesia in autism may deepen our understanding of both conditions.

Older men and women are more likely than young ones to have a child with autism, but this connection is not straightforward.

Siblings of autistic children, like those with the condition, tend to have faces that are more masculine than average.

In the final installment of Graeme Simsion’s bestselling Rosie trilogy, the protagonist’s implied autism becomes explicit — and leaves our reviewer cold.

The relatives of autistic people often have mild traits of the condition. Studying these family members could broaden our understanding of autism.

Even undiagnosed siblings of children with autism tend to struggle with anxiety, depression and social difficulties.

Babies with a family history of autism have heart rates that are unusually low and that respond aberrantly to speech sounds.

Paternal age drives ‘geek index’ scores, GWAS may have a big weakness, serotonin boosts mouse social behaviors, and what is science Tinder?

Children whose parents have a condition such as autism tend to have severe restricted interests and repetitive behaviors, even if they don’t have a diagnosis themselves.