It's named Eos, after the Greek goddess of the dawn, and contains approximately 3,400 solar masses worth of gas.

At 300 light-years away, the interstellar cloud is the closest of its kind ever found to Earth and the largest apparent single structure in the sky.

But think of dark clouds behind which the sun is hidden. As a cloud comes out from behind the dark clouds into a bright blue sky, it is edged with a silvery lining. Thus we are moving from ...

Despite being 3,400 times the mass of the sun and just 300 light-years away, the hydrogen cloud had gone unnoticed until now.

Friday in D.C. occupied a special spot between May Day and Derby Day, and seemed to rise to the atmospheric occasion. It provided the benevolent warmth of near-summer, while showing off a sky full of ...

The US National Science Foundation's Daniel K. Inouye Solar Telescope (DKIST) has captured a groundbreaking image of the Sun.

The cloud, named Eos, is chock-full of molecular hydrogen and possibly rife with star-forming potential in the future.

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the ...

Just a few hundred million years after the Big Bang, it would appear our cosmos was already home to black holes billions of times more massive than the sun ... dark matter might be able to turn into ...

At these heights, the atmosphere is cold enough that clouds are typically composed of ice crystals, not water droplets. These clouds often look thin, wispy, and delicate—but they can provide valuable ...

They were rain, the threat (or promise) of rain and the picturesque appearance of the profuse and constant clouds that either brought the rain or threatened to. From the mere look of the sky, a sort ...