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

A 9th planet in our solar system might be found — and no, it’s not Pluto - Is there another planet out there? Researchers say ...

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

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

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

Is it time to ghost your ChatGPT boyfriend? Or finally admit your parasocial relationship with your AI therapist is ...

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

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...