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 ...

Stars are born in dense molecular clouds, but did they always form this way? Recent research suggests that in the early ...

Researchers have found that stars in the early universe may have formed from 'fluffy' molecular clouds. Using the ALMA telescope to observe the Small Magellanic Cloud -- whose environment is similar ...

Also called molecular clouds, they can be massive, spanning hundreds of light-years and forming thousands of stars.