The universe is home to trillions of worlds, but not all planets are created equal. Some are scorching enough to melt rock, ...

Picture a world where ice does not melt, even while the ground glows with temperatures hotter than molten metal. Far beyond ...

Hot Jupiters rank among the strangest planets astronomers have ever found. They are gas giants as massive as Jupiter, yet they race around their stars in just a few days. Since the first such world ...

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

The strangest part of the TOI-201 system is not that it holds three very different worlds. It is that astronomers can actually watch the arrangement change. Around a bright F-type star, researchers ...

The finding comes from a fresh analysis of old data from NASA's Dawn spacecraft, which finished its mission in 2018.