The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties are well understood but the planetary orbits have evolved and changed since ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

Scientists from Queen's University Belfast have led an international team in the discovery of a rare new planet, which is ...

Two “superpuff” planets orbiting a sunlike star over 1,000 light-years from Earth are as big as Jupiter and as dense as ...

At the right point of the orbit and stellar cycle, the star’s chromosphere brightens.

A giant planet circling a dead star should not be there. That was the puzzle hanging over WD 1856 b ever since astronomers ...

The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than cotton candy.

A small, rocky world orbiting a red dwarf star roughly 48 light-years from Earth has become the focus of a new study challenging assumptions about what makes a planet capable of supporting life. The ...