Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

Cheng, together with graduate students from Princeton University, discovered the potential dwarf planet while searching for ...

If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about the day-to-day of school ...

Planets with unusually wide orbits may be normal by-products of the formation of planetary systems. This is suggested by new simulations.