Is There a Black Hole Hiding in Our Solar System? This Is How We'll Find Out
Edward Witten, an influential physicist who developed M-theory, recently started thinking about how to scan the solar system for a primordial black hole.
Scientists Found More Than 100 Tiny Worlds Hidden in the Solar System
A telescope looking for dark matter discovered 139 new minor planets lurking beyond Neptune's orbit, which could help scientists look for hidden planets in the outer solar system.
Our Solar System Might Have a Black Hole From the Dawn of the Universe
This alternate explanation for 'Planet Nine,' proposed by scientists in a new paper, poses some fundamental questions like: Should we visit it?