A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...

Scientists have discovered something that they previously thought wasn’t possible – an ‘inside out’ star system. When you ...

The fact that our solar system has eight planets (unless you’re a Pluto apologist) is one of the first things we learn in our educational journey (anyone remember the “Blue’s Clues” planet song?). But ...

Carbon dioxide has been detected on a planet outside our solar system for the first time. The gas has been observed directly by the James Webb Space Telescope on four exoplanets, all belonging to the ...

Six of the planets of our solar system will be aligned in February for a spectacular sky show. Here’s where and when you can ...

Mercury is the smallest planet in our solar system. Explore its size, extreme temperatures, core structure, and comparison ...