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 ...

"It is pretty amazing to think that something as big as Neptune could be sitting out ... solar system. Planet Nine would help fill that gap." However, some scientists say the candidate for Planet X ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is hidden in our solar system.

Learn about the solar system from a pair of real space museum ... "Being able to travel to different planets, moons, and star systems is also something that humans are not likely to ever be ...

The possibility of additional planets in our solar system has been proposed many times ... as a result of you looking at it from a slightly different position. Planet Nine would appear to move ...

Astronomers claim to have discovered a new ninth planet in our solar system, according to research led by Terry Long Phan ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

Scientists have discovered an exoplanet 140 light-years away that's rapidly disintegrating as it orbits its star every 30 ...

So we've had evidence for dark energy con pretty convincing evidence that's out there for nearly ... how conditions beyond our solar system may yield planets vastly different from our own, said ...

A recent study published using data collected by the James Webb Space Telescope (JWST) has reported the most detailed study of the atmosphere of a planet beyond the Solar System yet, including ...