The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

If you’ve seen any of the “Ice Age” animated Disney movies, we have some bad news: You don’t know the real ice age.

Arizona has a new state emblem — and it's one that has been a source of controversy among scientists for years. Gov. Katie Hobbs signed a bill on Friday designating Pluto — once considered the ninth ...

There's a fresh upswing of buzz about the potential for the existence of a large planet on the edge of our solar system, more than 10,000 times farther away from the sun than our planet. Do ...

Using NASA's Chandra X-ray Observatory and ESA's (European Space Agency's) XMM-Newton, astronomers are exploring whether nearby stars could host habitable exoplanets, based on whether they emit ...

Researchers at the California Institute of Technology (Caltech) have found new evidence that further suggests there is a ninth planet in our solar system. Nicknamed "Planet Nine," researchers said ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

To study a rogue planet heading for a near-miss with Earth, Prof. Elliot sets up an observatory on the foggy moors of a remote Scottish island, with his pretty daughter and Dr. Mears, a former student ...

After Equinox bluntly told new members they were forbidden from joining its gyms, competitors Planet Fitness and Anytime Fitness responded with a much more welcoming message to those wanting to get in ...

(CNN) — The planet is grappling with a “new reality” as it reaches the first in a series of catastrophic and potentially irreversible climate tipping points: the widespread death of coral reefs, ...

For 76 years, Pluto was the beloved ninth planet. No one cared that it was the runt of the solar system, with a moon, Charon, half its size. No one minded that it had a tilted, eccentric orbit. Pluto ...

During last year's Midwest Music Summit, Jonathan Keith brought along some friends with cameras and shot concert footage that he intended to edit into a two-minute montage to air on his Planet X ...