Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

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

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

The curious minds at What If explore what it would mean for life on Earth if every planet in our solar system were habitable.

Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into space ...

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

Webb’s instruments captured detailed spectral data revealing both the presence and distribution of ice particles across the ...

Legendary actor William Shatner wants President Trump to restore Pluto to greatness as scientists claim to have found a “new” ...

The Red Planet is the fourth from the sun and is the seventh largest planet. As the planet is dry, rocky and bitter cold, a ...