The curious minds at What If investigate the cosmic chaos caused by swapping the orbits of certain planets in our solar system. Thousands of teachers in California lose their job as union raises ...

For decades, our solar system was thought to have nine planets, with Pluto considered the smallest and farthest. But in 2006, Pluto was officially reclassified as a dwarf planet by the ...

A composite image comparing the relative sizes of our solar system's known dwarf planets, including the newly discovered 2017 OF201. | Credit: Sihao Cheng et al. Scientists have found evidence of ...

Located beyond Neptune, its extreme orbit circumnavigates the sun once every 25,000 years, taking it beyond our solar system ... and possible new planets in the outer solar system.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. There’s a new object in the distant reaches of our solar system, and it might just ...

The new object is one of the most distant visible objects in our solar system and ... to identify TNOs and possible new planets in the outer solar system. The object was identified by pinpointing ...

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have ... As this young protostar grew, planets, moons and asteroids formed from the remaining raw material ...

Our dark skies will be even darker this summer. Most of the visible planets in our solar system are slowly disappearing from the night sky, in what some astronomers call a “planet dry summer ...

Jupiter is not only the largest in the solar system, but is so humongous that it's more than twice as massive as the other planets combined. The gas giant's influential place in shaping our solar ...

Jupiter, the largest planet in the solar ... planets and carved up the cloud from which they all emerged. "More than any other planet, Jupiter played a key role in shaping our solar system ...

A yellow dwarf star The sun is the star at the center of our solar system. It's the largest, brightest and most massive object in the solar system, and it provides the light and heat that life on ...

Scientists have identified an object about 700km wide inhabiting the frigid outer reaches of our solar system ... the smallest of the solar system's five recognized dwarf planets and has a ...