An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

In the real world, however, mass does not simply disappear — it has to go somewhere. In a comet’s case, ice turns into gas when heated by the Sun, and that gas escapes into space (a process ...

Nuclear fusion works by colliding light atoms together to form a single, heavier nucleus that is less than the mass of the two original nuclei. The leftover mass translates into a powerful burst of ...

Do the periods of comets decrease because they lose mass every time they get near the Sun? Robert Bailey Conover, Wisconsin Great question! Assuming you're referring specifically to the orbital ...