If there is a black hole, it's at least 20 times farther from Earth than the furthest planet, Neptune, in a distant region of our solar system called the extended Kuiper Belt. The belt is home to ...

For many years scientists have been wondering if a mysterious ninth planet lurks in our Solar system ... Either classification would leave it unique (like this black hole in the solar system which is ...

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

How do we know that was caused by a passing black hole? The solar system is a busy place, packed with planets, moons, dwarf planets, asteroids, and comets. The mini-tweaks that the Earth ...

Ironically, Brown played a major role in Pluto being declassified as a ninth ... release that Planet 9 has 5,000 times the mass of Pluto. The largest planet in the solar system, Jupiter ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s ...

An elusive Earth-like planet in our solar system could finally be discovered ... Some experts believe "it isn’t even a planet, but a primordial black hole" and other astronomers are convinced ...