On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...
With the same data but a different statistical analysis, researchers have spotted two additional planets in a system that was already thought to host seven of them ...
Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...