The ice on the surface of Jupiter's massive moon Europa is constantly changing, hinting at the presence of a subsurface ocean ...

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

A massive exoplanet 750 light-years away is shrouded in near-total darkness—its atmosphere so black, it reflects almost no ...

Conditions have to be just right for noctilucent clouds to be visible. They tend to only appear during the twilight hours, ...

The icy surface of Jupiter 's moon Europa appears to be constantly changing, new data from the James Webb Space Telescope has ...

In the hunt for exoplanets, many seek out habitable worlds. There's comfort in discovering planets that remind us of ...

This month's night sky is filled with close-range meteors, swirling nebulas, and prime stargazing conditions. Here’s when you ...