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. The post ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

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

They can look similar to bubbles in soap or oil over water that give a rainbow appearance. They also have a similar appearance to the rainbow observed on a mother-of-pearl gemstone. Sign up for our ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

NASA's Juno Probe captured a cloud formation on Jupiter resembling a dolphin, seen by Brian Swift and Sean Doran. This ...

Known as Noctilucent or night-shining clouds, twilight clouds are typically seen on Earth during the summer, but this time, ...