The familiar concept of a planetary core, a small, dense metallic heart we take for granted, may be the exception rather than ...

Astronomers may have discovered a new type of planet beyond our solar system, according to new research. The exoplanet, named "L 98-59 d," was first identified in 2019, but further observations using ...

Scientists have identified a previously unknown type of planet beyond our solar system – one capable of storing vast quantities of sulphur deep beneath a permanent ocean of molten rock. The study, led ...

A team of astronomers led by the University of Oxford has identified a new class of liquid planet, a world defined not by oceans of water, but by a global reservoir of molten magma thousands of miles ...

Talk about a hot mess. Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

This is an artist's impression of a unique type of exoplanet discovered with the Hubble Space Telescope. The planet is so close it to its star that it completes an orbit in 10.5 hours. The planet is ...

There’s so little we know about circumbinary planets – planets that orbit two stars instead of one – that they can feel like the stuff of fantasy. And for good reason: to date, we’ve only confirmed ...