The hunt for Planet Nine has so far eluded researchers, but one citizen scientist working on a project to find the evasive celestial body has found something just as remarkable – a 3-billion ...

Our solar system used to have nine planets. Astronomer Mike Brown, also known as “the man who killed Pluto,” said he got hate mail from kids and obscene calls at 3 a.m. for years after his ...

New research suggests a planet isn’t required to achieve the anomalous orbits, and that a massive ring of debris is a more plausible explanation. Critics of the proposed disk say more evidence ...

An illustration of the hypothetical Planet Nine, with Neptune’s orbit depicted as a distant ring around the Sun. Illustration: Wikimedia Commons Five years ago, a couple of astronomers declared ...

However, “tearing” has deformed the disk and taken material out of the disk plane, so any planets that form in the misaligned ring will likely orbit the star, or stars, on oblique, retrograde ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have discovered a ring system around the dwarf planet Haumea. Earlier this year ...

The rings of Saturn, ... Scientists found a possible new dwarf planet — it could spell bad news for Planet 9 fans; In the new study, a team of researchers led by Ryuki Hyodo, ...