An atlas that details gene expression in neurons and other cells from the intestines of mice and people may help to elucidate the link between gut problems and autism.

Newborns with either above- or below-average levels of an immune-system marker, among other differences, have increased odds of being autistic.

A new survey shows that children with autism or other developmental disabilities in the United States are at least twice as likely to have asthma as their neurotypical peers are.

Like so many other events this year, autism’s biggest annual conference — the International Society for Autism Research meeting — was forced to go virtual because of the coronavirus pandemic.

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

People with autism have more brain-related health problems, such as headaches and epilepsy, than typical people do.

An immune molecule produced during a fever improves sociability in three mouse models of autism.

Some cases of anxiety, which often accompanies autism, may stem from a faulty immune system, a new study suggests — but some experts are skeptical.

A new technique allows researchers to transplant human microglia into mouse brains and better study the association between these cells and autism.

Blood vessels in the brains of more than half of autistic people have an unusually large number of T cells.