What if your immune system started attacking you, instead of protecting you? The Associated Press is looking at autoimmune diseases, the immune system's dark side. | AP

Work continues on the construction of the ballroom at the White House where the East Wing once stood. Here are new images showing the ongoing construction. | AP

One of the first humanoid robots in Russia, known as AIDOL, collapsed on stage as it was presented in Moscow on Tuesday. The company’s CEO, Vladimir Vitukhin, told Russian news outlet RBK that the robot had been tested under various conditions, and the fall could have occurred due to insufficient lighting or a malfunction. | AP