“This paper is not a discovery of a planet, but it’s certainly the discovery of a puzzle for which a planet is a likely ... Planet Y is the latest in a series of hypothetical solar system planets that ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

Astronomers have found new evidence, revealing the existence of an unseen and mysterious planet that could be hidden in the solar system. The new research study which is published in the ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...

A new study explores how eccentric warm Jupiters - giant exoplanets with unusual oval orbits - form, offering clues about the ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

Blasting around the equators of the solar system's giant planets - Jupiter, Saturn, Uranus and Neptune - are fierce jet ...

A strange tilt in the outer reaches of the Kuiper Belt has scientists wondering if the solar system is hiding a potential ...

If a massive ninth planet exists in our solar system, it might explain why the planets are out of line with the sun ... and by the just right amount. “It’s one puzzle piece that seems to fit together, ...