NASA New Horizons

special theory of relativity, Albert Einstein, NASA New Horizons, Ultima Thule, spacecraft event time, UTC time, speed of light, quantum mechanics, entangled time, second law of thermodynamics, mathematics, entropy, Big Bang, arrow of time, time travel, troposphere, galactic years,

After Another Year, Finding Solace in Our Subjective Experience of Time

The 29-cent Pluto 'Not Yet Explored' U.S. stamp. Source: USPS/collectSPACE

Listen: The Journey to Pluto Began Because Scientists Disagreed With a Postage Stamp

An artist's impression of New Horizons flying by Pluton, with Charon visible in the background. Credit: SwRI/NASA

What You Need to Know About the Pluto Flyby

An artist's impression of New Horizons flying by Pluton, with Charon visible in the background. Credit: SwRI/NASA

Why You Should Care About the New Horizons Probe Nearing Pluto