A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

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 ...

Pluto. Due to its large mass, it would have a great internal energy that could sustain, for example, subsurface oceans. Its orbit would be very distant, much beyond Neptune, and much more inclined ...

The 2005 revelation set off a chain of events that led to Pluto’s still-controversial demotion from planet status the following year. But now, just as the Kuiper Belt effectively took a ninth ...

Based on the current literature, Siraj sees a few possibilities. One is that the Rubin Observatory, with its increased capabilities, might be able to see a planet beyond Neptune. Another possibility ...

Tropical Storm Raphael is strengthening towards a hurricane – we'll tell you where its heading. Plus, are we getting a ninth planet in our solar system back?

Were any more distant worlds out there, waiting to be found? In 1930, a systematic search revealed what seemed to be a 9th planet, although measurements eventually showed it to be much smaller ...

The discovery brings a glimmer of hope for Earth's survival when our sun enters its final stages. A team of astronomers has uncovered an Earth-like planet orbiting a star located 4,000 light years ...

Consider supporting our stories and becoming a member today. In the fall of 2019, four high schools in a San Francisco Bay Area district shook up many of their ninth grade math classes. Students had ...

One body of a missing person on the Venus ship that sank off the coast of Jeju Island was found more than 40 hours after the ...