Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The ...

A 'ring of fire' solar eclipse glowed over Antarctica, witnessed by only a handful of researchers at Concordia Research Station. A blazing 'ring of fire' appeared in the frozen skies above Antarctica ...

Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were never clear. Now a student at Michigan State University has created the first ...

Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

More and more papers are coming out about the upcoming Habitable Worlds Observatory (HWO). As the telescope moves from theory ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice ...

On a frigid orbit beyond Neptune, some of the solar system’s smallest worlds project a strange silhouette. Two rounded lobes, pressed together with a narrow “neck,” like a snowman that never melted.