These mysterious night-shining clouds, or noctilucent clouds, seem almost otherworldly, as if the heavens themselves are ...

The telescope, apart from its size, benefits from the exceptionally dark sky above Mount Paranal, which is the least light-polluted among all major astronomical locations in the western world.

Arizona is reaching for the stars: The International Dark Sky Discovery Center is under construction in Fountain Hills. Slated to open in fall 2025, the $28 million observatory and science center ...

Seeking to dim light pollution and restore the natural aura of the night sky, Palo Alto's elected leaders signaled support on ...

How Are Clouds’ Shapes Made? Explore the diverse world of cloud formations, from ground-level fog to high-flying cirrus clouds, and learn how these atmospheric features can help predict weather ...