Auroras over the Merimbula Lake in New South Wales, Australia. Image: X/@The_Feefenator. Auroras captured over Silsand in ...

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

New data show a 50% chance the Milky Way won't collide with Andromeda. A merger with the Large Magellanic Cloud is far more ...

Countless shadowed craters line the terminator all the way down to the moon's southern pole, while the 54-mile-wide (87 km) ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...