Researchers have identified two biologically distinct forms of autism.
Autism, or autism spectrum disorder, is a developmental disorder that affects a person's ability to communicate and interact with others. About 1 in 68 children in the United States has autism. Here's the latest news on autism and possible treatments for the condition.
Half of the babies who failed a screening test at age 1 went on to develop a developmental delay or an autism spectrum disorder.
Scientists had hoped to find genes that played large roles in autism, but that search has been frustrating, researchers said.
Neurons in the cerebellum form a surprising number of bad connections during early development, according to a study in mice.
Autism is on the rise in children, but what exactly defines the disorder? Autism is actually a group of disorders known as autism spectrum disorders. Learn more at Life's Little Mysteries.
Children with autism may have a harder time than other kids searching for items, such as a particular food in the grocery store, or keys inside a house.
The way autism is diagnosed could become less subjective by using a brain-imaging-based test that is being developed by researchers and that, in early trials, was 94 percent accurate.
Scientists say they have identified a distinct pattern of brain activity that may indicate whether a person is genetically predisposed to autism.
Tyler Ludlum, now 12, lost both his feet after contracting meningitis. It could have been prevented if those around him were vaccinated.
People who possess a specific change in one of their chromosomes are more likely to develop an autism or schizophrenia.
People with autism are more likely than others to be fooled by a magic trick that relies on social manipulation in order to deceive.
Siblings autistic kids are autism characteristics than the siblings of children who don't have the disorder.