Why do the northern lights have different colors? The color of the aurora depends on which gas is being excited by the electrons and on how much energy is being exchanged, NASA sa ...

(Photo by AHMAD AL-RUBAYE/AFP via Getty Images) A partial solar eclipse ... to anyone wanting to navigate and know the night sky. One such is the Winter Triangle — formed by Sirius, Betelgeuse ...

This dazzling planet, which dominated the evening sky from last fall on through the winter, has now taken up ... while mired in bright twilight. Related: Night sky, April 2025: What you can ...

The stars and constellations of spring may be dominating the night sky, but we’re about ... sun is one of the brightest in the April sky. The winter constellation of Orion may now be slumping ...