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Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

The story of this giant hole in the ground is woven into Utah’s history, but it’s also left its mark on our planet Earth.

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

Don't worry, there's no need to be concerned of encountering a black hole anytime soon, but here's what would happen to your ...