A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.

A giant conundrum has been found orbiting a teeny tiny red dwarf star just a fifth of the size of the Sun. Such small stars ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet formation around small stars.

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Astronomers discover giant gas planet TOI-6894b orbiting a tiny red dwarf, rewriting what we know about planet formation.

Astronomers at UCL and the University of Warwick, as part of a global collaboration including partners in Chile, USA and ...