High altitude cirrus clouds on a fine day in the Adirondacks. Photos by Katie Finch We talk about nature quite a bit at Audubon. But what is included in that broad category? Obviously plants and ...

Noctilucent, or "night-shining", clouds can be seen on Mars, just as they are on Earth. Nasa's Curiosity Mars rover imaged these high-altitude clouds on 17 May, 2019, using its navigation cameras.

Some sunshine is expected Wednesday morning, before clouds thicken up in the afternoon. Highs reach the low 40s. Then, a ...