By Will Dunham WASHINGTON (Reuters) -Scientists are tracking a large gas planet experiencing quite a quandary as it orbits ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

This discovery marks the first known case of a compact planetary system with such a noticeable tilt between close planet ...

American space agency NASA announced the discovery of a planetary system that isn't flat, has transit timing variations, and shows orbital planes tilting ...

An international research team led by the University of Southern Queensland (UniSQ) has discovered two new planets performing ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...