Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by ...

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a ...

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, thousands-of-miles-deep reservoir of molten ...

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

In A Nutshell A rocky planet 35 light-years away has a long-lived magma ocean in its interior and a sulfur-rich atmosphere ...

The findings, which imply that molten planets may be quite common, suggest astronomers may need to be more cautious about ...

Astronomers may have discovered a new type of planet beyond our solar system, according to new research. The exoplanet, named ...

"What other types of planets are waiting to be uncovered?" ...

Astronomers have just discovered TOI-1080 b, a rocky super-Earth located approximately 83 light-years away. Spearheaded by a team from the National Autonomous University of Mexico, follow-up ...

NASA’s Hubble Space Telescope has produced the sharpest image ever taken of the Egg Nebula, a structure roughly 1,000 ...