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 ...

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 ...

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 ...

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.

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.