After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar ...

As for the current state of research, some scientists doubt that Planet Nine is a planet at all: it could be a primordial black hole, and the authors invite other researchers to find out the truth ...

Our solar system used to have nine planets ... it took us almost a decade to figure this out. Better late than never, I suppose,” Batygin said. Planet Nine, according to Batygin, is a ...

Since NASA's Juno spacecraft entered Jupiter's orbit in July 2016 and began transmitting image data, the world has gotten ...

The Subaru Telescope has discovered new objects beyond the known Kuiper Belt, suggesting a more complex structure at the edge ...

Featuring Christiaan van der Klaauw's new manufacture movement, the CVDK Grand Planetarium Eccentric Sincere Platinum Jubilee ...

Atlas VPN 3-year offer with a 86% discount; <a href=" is the largest planet in the Solar System. It’s 300 times more massive than Earth. But it’s less dense than our home. Uh-oh. Looks like somebody ...

Astronomers have discovered an Earth-like planet orbiting a white dwarf 4,000 light years away, offering a glimpse into our ...

The smooth, planet-less disk of the Vega star system challenges planetary formation theories, suggesting alternative cosmic ...