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

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

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 are discovering strange new planets beyond our solar system. These worlds defy old ideas about how planets form ...

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 ...