Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

NASA announced a new milestone in its search of the stars. It has now found more than 5,000 exoplanets -- those outside of our solar system. “It’s not just a number,” Jessie Christiansen, a researcher ...

In a breakthrough for exoplanet science, astronomers have discovered three Earth-sized planets orbiting both stars in a compact binary system located around 190 light-years away. The system, known as ...

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: green, purple, and red waves.

Astronomers have identified a frozen, Earth-sized world circling a nearby sunlike star, a find that sharpens the search for ...

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...