By tracking minute facial movements, down to the scale of pores, the algorithm picked up signs of consciousness days before doctors.

HIV destroys the immune system from within. Despite decades of research, there still isn’t a vaccine against the virus. The shape-shifting pathogen rapidly adapts to vaccines and renders them useless.

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...