We’ll kick off this week with a beautiful sunset in Waddington, looking toward Canada. Joy Hazen is sending in today’s photo ...

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

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

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

Vintage aircraft soared through the sky and impressed spectators at a spectacular event held over the weekend.

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