Barack Obama used a lighthearted Late Show interview with Stephen Colbert to make thinly veiled criticisms of Donald Trump, joke about serving as Earth's ambassador to aliens, and dismiss conspiracy ...

Former President Barack Obama said in an Instagram post on Sunday that there was no evidence of aliens. Obama was asked in a recent podcast interview if aliens are real, and he replied, "they’re real.

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with alien visitation.