Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted ...

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...

Lingering Brightness Provides Evidence for How the Planet Met Its Demise Each year, scientists from around the world compete for a chance to use NASA’s James Webb Space Telescope. Proposals go through ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...