Find out what's up in your night sky during November 2025 and how to see it in this Space.com stargazing guide.

A waxing gibbous moon and the ringed planet Saturn will enlighten our sky for treat-or-treaters this Halloween.

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

Full Supermoon . See the biggest and brightest moon of the year—the full supermoon—on the evening of Nov. 5. The moon will ...

Two papers authored by astronomer Beatriz Villarroel claim to show that thousands of “transients” in historic astronomical ...

Researchers poured over historical photographs in search of "transients"—short-lived flashes of light of the night sky.

When the sun is straight up at noon, you see blue sky because all the other colors in the spectrum up until blue and purple are scattered away. This is known as the Rayleigh effect. We usually don't ...