Nearly two dozen autistic people or their caregivers in 19 countries told Spectrum how the initial weeks of the pandemic have challenged and changed them.

Toddlers who sleep poorly or overreact or underreact to sensory stimuli have more repetitive behaviors and other autism traits later in childhood.

Many people with autism experience a triad of trauma: neglect at home, abuse from trusted adults and bullying at school or work.

Autistic children who lose words reach key milestones earlier than autistic children without language regression.

Social media is connecting families with researchers who study rare conditions related to autism — to the benefit of both.

One of the leading theories of autism posits that girls and women are biologically protected from the condition.

The fight between those who define autism as a medical condition and those who see it as a mere difference has reached vitriolic levels. Can the two sides come together to support all autistic people?

Many countries in Europe are reckoning with the growing demand for genetic tests for autistic people — and the accompanying ethical and scientific considerations.

A new advocacy group for people with severe autism taps into the deep divide in the community over who should speak for those on the spectrum.

Case reports suggest electroconvulsive therapy is effective for treating catatonia in people with autism.