Altocumulus: White and gray, patchy clouds that are layered, sheet-like in the sky and generally composed of plates, rounded masses or rolls.They may be partly fibrous or diffuse and may or may ...

It transits, or reaches its highest point in the sky, around 2 A.M. local daylight time, which will be the best time to catch it if you’re looking to study it in detail. Sunrise: 5:31 A.M ...

If you'd like to follow along, here is our list of 25 tantalizing targets to wonder at in the night sky. Be sure to check out our guide on the best stargazing apps to help you locate the cosmic ...

On Monday, Jan. 8, the waning crescent moon will occult the 1st-magnitude red supergiant star Antares, one of the brightest stars in the sky. Skip to main content Open menu Close menu ...

Here's the science of those red dots During the total solar eclipse, skywatchers saw ruby-colored prominences sticking out of the moon's shadow. Skip to main content ...

In and around the Arctic Circle, stunning multicolor clouds have been shining in the sky for days on end. It is very unusual to see so many of these vibrant clouds over such a long period.

Smoke rises from the crater of the Etna volcano as it erupts, on Mount Etna near Catania, Italy, on Monday. A huge plume of ash, gas and rock spewed forth from Europe's highest active volcano.

According to NOAA, there are 10 basic cloud types, though there are other formations like a wall clouds, shelf clouds or even contrails created by planes. Here are the 10 basic clouds with ...

Altocumulus: White and gray, patchy clouds that are layered, sheet-like in the sky and generally composed of plates, rounded masses or rolls. They may be partly fibrous or diffuse and may or may ...