Featured in comets
Pluto may be made up of a billion comets
But we won't know until we get there.
How to get comets, animals, math problems, and more named after you
Hint: You don't have to discover something, but it could help.
Interstellar visitor doesn’t appear to be an alien ship, does appear to be covered in organic gunk
With an icy heart.
A giant cliff collapse on a comet reveals pristine ice beneath the surface
The latest from Rosetta's smashing mission
Why The Rosetta Spacecraft Had To Die
As Rosetta Spacecraft Crash-Lands Successfully, A Bittersweet Celebration
A Look Back At Rosetta’s Best Moments
The spacecraft has orbited a duck-shaped comet since 2014, but now its mission is drawing to a close
Lost Philae Lander’s Final Resting Place Has Been Found
Spotted by Rosetta
A Plastic Cup And A Shop Vacuum Could Rewrite The History Of The Solar System
When NASA's OSIRIS REx probe launches on Sept. 8, it will be carrying this innovative tool
How A Plastic Cup Became A History-Making Mechanism
An asteroid high-five 10 years in the making