A newly discovered exoplanet has a unique feature never observed before: it is completely molten. This discovery could reveal ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

Scientists have identified 45 Earth-like planets beyond our solar system that may support life. Using advanced space data, ...

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’ ...

Dying stars may be wiping out nearby giant planets as they expand into red giants. Astronomers found that these close-in planets become increasingly rare around more evolved stars, suggesting many ...

Planet 9 sits at the edge of scientific imagination, promising either an epic expansion of the Solar System or a lesson in how easily patterns can mislead us. As new data arrive and old assumptions ...

Add Yahoo as a preferred source to see more of our stories on Google. A newly identified world beyond our solar system is giving scientists a fresh look at how strange planets can be, and it may come ...

Is it a two-for-sun deal. Astronomers were blown away after discovering a bizarre exoplanet that orbits twin stars closer than any ever seen before in a binary star system, per a starry study ...

Scientists have discovered that a highly unusual giant planet—sometimes called "forbidden"—could have an atmosphere with ...