Stars form in Giant Molecular Clouds (GMCs), vast clouds of mostly hydrogen that can span tens of light years. These stellar ...

Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more common.

Photonics researchers from Tampere University, Finland, and Kastler-Brossel Laboratory, France, have demonstrated how ...

When a front moves through or on just a regular day we can see middle tiered clouds here at home. Altocumulus clouds ...

Stars emerge from vast regions of gas and dust known as molecular clouds. These stellar nurseries, often spanning hundreds of ...