Why do the northern lights have different colors? The color of the aurora depends on which gas is being excited by the ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern latitudes).

Find out what's up in your night sky during April 2025 and how to see it in this Space.com stargazing guide. Looking for a telescope for the next night sky event? We recommend the Celestron ...

Compared to the clear winter night sky, which shows myriads of twinkling stars, the nocturnal sky in spring has the reputation of being less spectacular. In fact, however, it is easier to see ...