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

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner ...

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

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

NASA’s Lucy spacecraft captures asteroid Donaldjohanson, marking a new step in its mission to explore the solar system’s ...

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 ...

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.