A new study suggests that its results could lead to a simple test for autism, but statisticians say the test could not be used to screen for the condition in the general population.

David and Bernardo Sabatini, brothers born just a year and a half year apart, invent their way to answering big questions about autism.

Cooperative problem-solving may have kept human brains small, researchers puzzle over new European online privacy rules, and Canadian officials counter unfounded claims of a cure for autism.

A mutation that prevents some amino acids, the building blocks of proteins, from entering the brain may lead to autism.

Neural stem cells derived from boys with autism of unknown cause may share genetic, chemical and physical features absent in cells from their typical brothers.

Metformin can reverse weight gain in children with autism who take antipsychotic medications.

Half of children who have autism have trouble falling or staying asleep, which may make their symptoms worse. Scientists are just beginning to explore what goes wrong in the midnight hour.

A head-mounted device tracks both blood flow and electrical activity in the brains of moving rats.

Researchers home in on the cerebellum’s role, and an app helps children with autism make eye contact.

A set of small molecules in the blood can distinguish people with autism from controls with 81 percent accuracy, claims a biotech firm, but the test faces a long and difficult road to clinical use.