New evidence links autism and cerebral palsy at the genetic level, facial expressions tend to mislead, and many health conditions accompany autism.

A researcher proposes splitting autism into subtypes, mitochondria make neurotransmitters, and highly successful grantees may face a funding cap.

Brain waves in infancy forecast autism, people with more autism features have trouble detecting lies, and veterinarians battle claims that vaccines cause autism in dogs.

A journal covering autism in adulthood makes its debut, researchers call for an ethical framework for human organoid studies, and the association between acetaminophen and autism risk comes under scrutiny.

Scientists release a list of all randomized controlled trials of autism treatments, China establishes a brain center for an ambitious new project, and people around the world march for science again.

A checklist for fragile X syndrome could help identify people with the condition in low-resource settings, France unveils a plan for early diagnosis and education of children with autism, and virally inserted ‘bar codes’ help track individual neurons.

With one exception, budget allocations are booming for U.S. science agencies, a CRISPR paper that shook faith has been retracted, and professional basketball teams build sensory rooms for fans on the spectrum.

Women describe relief at finally learning they have autism, a man with epilepsy narrates during stimulation of his brain, and the brain’s immune cells are caught on film nibbling at neuronal connections.

Activists are arrested while protesting the use of electroshock devices, a Facebook group claims cabbage slurry can prevent autism, and a movie features romance — and actors — on the spectrum.

Theory of mind develops surprisingly early, a book publisher doubles down in defense of a controversial author, and false vaccine news gets a correction.