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.
Earth-Like Planets May Be Common Outside Our Solar System, Scientists Discover
After studying the remains of exoplanets that crashed into dead stars, scientists think that rocky planets similar to Earth and Mars are likely common outside of our solar system.