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

Astrophysicist and science communicator Neil deGrasse Tyson spills on his obsession with aliens and the best and worst ...

In space, no one can hear you scream...but your neighbors might when they see you've got a 6-foot alien in your front yard.

Both Hawn and her longtime partner, Kurt Russell, have shared their experiences with aliens and UFOs on late-night talk shows ...