This stunning image features a deep field view of the Cassiopeia constellation where the two small planetary nebulas can be ...

You know, after decades of pointing optics toward the sky, I consider myself a knowledgeable observer. But while researching the Pleiades a few months back, I was surprised to learn that it wasn't the ...

Study participants wore trackers on their wrists to measure their activity levels and sleep patterns. The study found that ...

To make matters worse, modern society's electric light and bright screens at night trick our body clock into thinking it is still seeing daylight.

NASA explained this is the same process that causes the skies to turn blue ... sky Thursday night and into Friday morning. The moon shifted from its regular bright white appearance to a deep ...