Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

This video looks at the strange gap in one of astronomy’s biggest success stories. We’ve found thousands of exoplanets and likely live in a galaxy containing trillions of moons, yet not one exomoon ...

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each planet differs dramatically in scale. To truly understand these differences, ...