Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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

And the Milk Way is just one galaxy in the Universe. Solar System – A group of objects orbiting around a star. Planet – A large, spherical object orbiting a star. Moon – A large object ...

While most objects in our solar system orbit ... proposed the universe is littered with primordial black holes. And we've even observed fluctuations of starlight in our own galaxy, which ...

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

While their names may be recognizable, they are far from the same versions of the heroes in the Earth-616 universe ... Galaxy. Ultimate Star-Lord is referred to as Master of the Solar System ...