During the last week of July and for a fair amount of August, there’s still time to spot some noctilucent cloud activity, as captured recently ...

Known as noctilucent clouds, these shimmering, electric-blue formations hover roughly 50 miles above Earth, far higher than typical clouds. They are most commonly seen between late June and early ...

As the Moon reaches New, advanced observers can try photographing 3I/ATLAS while everyone can enjoy nebulae and more in the ...

Moons with a blue hue are “the result of water droplets in the air, certain types of clouds, or particles thrown into the atmosphere by natural catastrophes, such as volcanic ash and smoke,” ...

Anyone heading out to Pensacola Beach on Thursday for the Blue Angels practice show can expect a hot day with the chance of thunderstorms.

Its first released image, shown above, shows the Trifid and Lagoon nebulas as colorful pink clouds of hydrogen alongside hot blue stars. The year is not even half over.

A volcanic eruption in Iceland has sparked the evacuation of the world-famous Blue Lagoon geothermal spa and surrounding ...

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

NASA’s Curiosity Mars rover captured these drifting noctilucent, or twilight, clouds in a 16-minute recording on Jan. 17. (This looping clip has been speeded up about 480 times.) ...