The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

This image from NASA’s Juno spacecraft captures several storms in Jupiter’s southern hemisphere (Figure A). Titanic blasts created by the impacts of comet Shoemaker-Levy 9 fragments left Jupiter with ...

What happens when a comet collides with a gas giant? In July 1994, Shoemaker-Levy 9 slammed into Jupiter in a spectacular series of 21 explosions, creating fireballs bigger than Earth itself. This was ...

On the world's first Asteroid Day, Nina Burleigh discovers that Nasa has already commissioned a team of 'planetary defenders' ...