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 ...

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

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think ... 36 million miles away from our shining star.

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...

Pluto, which infamously lost its status as the ninth planet in 2006, is less than four billion miles away from the sun, sitting in the Kuiper Belt - a region in our solar system beyond Neptune ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...