The top scientists at NASA have been left baffled by perfectly circular sand dunes spotted on Mars by its Mars Reconnaissance Orbiter while taking pictures at the end of Martian winter

Obama said January 20, 2017, was very "emotional" for her — partly because of the lack of diversity she saw at Trump's inauguration ceremony.

Dr. Rebecca Leis, a computer science program director at Full Sail University, sat down with anchor Justin Warmoth on “The Weekly” to help us better understand the world of AI.

Dr. Marisa T. Cohen, a marriage and family therapist, created an AI chatbot boyfriend and reveals the details of the brief relationship.