Barack Obama made the extraordinary claim in a candid and wide-ranging interview with Brian Tyler Cohen.

Barack Obama offered a rare glimpse into his marriage with Michelle and their life after the White House. He revealed how the former First Lady continues to shape their shared mission.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

At the center of the Milky Way, close to the pull of a supermassive black hole, astronomers have found a strange new radio signal that behaves like a slow, steady clock. This object is more than an ...