I have learned that belief is not unique to those who consider themselves religious.

If the frontier of the U.S.-Mexico border represents the America that would exclude me, space is the frontier that invites me.

The culmination of President John F. Kennedy’s vision, the lunar landing was the seminal event of a decade that began with promise and ended with sorrow, including assassinations, wars and social upheaval.

Doctors, physicians and immunologists have come forward to debunk the loud din of the anti-vaccination movement, and the Catholic Church has joined them.

Armed with enthusiasm, command of his material and a knack for analogy, Steve Brusatte has written a book that incarnates dinosaurs with color, sound and fury.

Thanks to the image released by the Event Horizon Telescope consortium, for the first time we have direct proof that a black hole is more than a theoretical construct.