Many smaller outer solar system objects appear to have orbits that are aligned in certain mysterious ways; the simplest explanation is that their motions are influenced by another, as-yet-unseen ...

A hidden structure at the farthest reaches of our solar system is challenging long-held theories. Using advanced simulations, a NASA supercomputer has revealed that the Oort Cloud, a vast shell of ...

The curious minds at What If explore how the discovery of Kepler 22-b in our solar system would alter everything we know about space and life.

Temperatures there reach an astonishing 30,000-50,000 kelvin. There are a few ways you could define the edge of the Solar System – for instance, where the planets end, or at the Oort cloud, the ...

Our Solar System is full of mysteries, but if the inner planets are a puzzle, the boundary between the Solar System and interstellar space is a secondhand puzzle with half the pieces missing.

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has ...

MT. LAUREL, NJ, April 21, 2025--Define Solar, a leading solar installation company serving New Jersey and Pennsylvania, proudly announces a major achievement: the successful installation of solar ...

We’re finally going to the Solar System’s most intriguing but unexplored frontier If you've been waiting for a real mission of discovery into the unknown, this is it.

A 9th planet in our solar system might be found — and no, it’s not Pluto. Is there another planet out there? Researchers say they have hints of a new candidate ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say. ABC News. Video. Live. Shows. Shop. Log In. Stream on.