Astronomers have discovered a new class of exoplanet that defies traditional categories of planetary classification. In a groundbreaking study published in Nature Astronomy, researchers led by the ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This Saturn-sized rogue planet was discovered by an international team of scientists using ...

A rocky planet orbiting its star in just over 10 hours, a world so extreme it was assumed to be a barren, atmosphere-stripped rock, turns out to be wrapped in a thick, volatile-rich gas envelope. NASA ...

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 ...

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 ...