Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

As atmospheric observations of exoplanets become increasingly precise, it is more important than ever to correctly account ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named ...

The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the discovery of subtle warps spotted in many planet-forming disks around young stars.

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Dr Ryan MacDonald, lecturer in extrasolar planets in the School of Physics and Astronomy at the University of St Andrews, ...

Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature.

Early results on the fourth planet from the TRAPPIST-1 star suggest it lost its original atmosphere to space long ago, and it ...

The coldest planet in the Solar System is Uranus, which is surprisingly colder than Neptune due to its unique internal heat ...