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

This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our ...

Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but got kicked out long ago! This "lost" planet could have been tossed into deep ...

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told ...

Astronomers believe that our solar system may still hold surprises, with ongoing efforts to find a hidden ninth planet, often referred to as Planet Nine or Planet X. If confirmed, this discovery ...

An international planet hunt spearheaded by Monash University researchers has discovered evidence of five new baby planets, ...

SYDNEY, May 14 (Xinhua) -- Australian astronomers have led a major international effort that has uncovered five newly forming planets, some of the youngest ever detected, through a revolutionary ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

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

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 ...