Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

Venus is often called Earth's "sister planet" because of their similarities in size, mass, and composition. Both are rocky ...

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...