Revived by a Dutch writer, the simple ritual of "dusking" – quietly watching the transition from day to night – is spreading beyond the Netherlands as a way to reconnect with the natural world.

A hundred miles of Pennsylvania wilderness that costs exactly zero dollars and doesn’t require you to explain your childhood ...

Cancer the Crab is a dim constellation, yet it contains one of the most beautiful and easy-to-spot star clusters in our sky: ...

The northern lights, or aurora borealis, could glow extra bright for 20 states on Wednesday, March 18 and Thursday, March 19.

Auroras may be visible from Alaska to Illinois tonight as several coronal mass ejections are forecast to impact within the ...

Rocks from outer space are constantly hurtling toward Earth, slamming into the atmosphere and often exploding into fireballs that both delight and alarm people.

Winter constellations shine defiantly in the face of spring as galaxy season and zodiacal light beckon.