Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

A new look through decades-old data has unveiled some of the most compelling evidence yet of a hidden ninth planet in the far ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again. An international team from Taiwan ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

This event allows viewers to check out the various worlds in the solar system and the ferocity of ... discovering exoplanets, rogue planets and oceanic worlds. Dark Universe dives into the ...