Comet 67P has the building blocks of life — smells like mothballs and almonds

24 year old Clyde Tombaugh won a scholarship at University of Kansas to study astronomy after discovering Pluto. He also discovered several galactic star clusters, hundreds of asteroids, a comet, a cluster of 1,800 galaxies and other observations

Debris from most spectacular comet outburst may explain its perplexing behavior — and be visible in telescopes

In Memoriam: Famed 'Comet Hunter' Don Machholz dies at 69